"Sulphuric" Quotes from Famous Books
... is made with five gallons of commercial sulphuric acid in 150 gallons of water. To get the quickest and best results from this method, the solution should be kept as near the boiling point as possible by having a coil of extra heavy lead pipe running inside the tank and carrying live steam. A very few minutes in this ... — Oxy-Acetylene Welding and Cutting • Harold P. Manly
... or to use the batteries except on regular work. This prohibition meant little to Edison, who had access to no other instruments except those of the company. "I went one night," he says, "into the battery-room to obtain some sulphuric acid for experimenting. The carboy tipped over, the acid ran out, went through to the manager's room below, and ate up his desk and all the carpet. The next morning I was summoned before him, and told that what the company wanted was operators, not experimenters. ... — Edison, His Life and Inventions • Frank Lewis Dyer and Thomas Commerford Martin
... prussic acid, and who testified on the trial that Miss Stennecke had received a fatal dose of that poison. When, however, his evidence was sifted, it was discovered that he had only obtained traces of the poison by the distillation of the stomach with sulphuric acid. As saliva contains ferrocyanide of potassium, out of which sulphuric acid generates prussic acid, the latter substance will always be obtained by the process adopted by Professor Aiken from any stomach which has in it the ... — Lippincott's Magazine of Popular Literature and Science - April, 1873, Vol. XI, No. 25. • Various
... picked it up. Outside was written "Sulphuric Acid. Fort." When I drew the round glass stopper, a thick fume rose slowly up, and a pungent, choking smell pervaded the room. I recognized it as one which I kept for chemical testing in my chambers. But why had I brought a bottle of vitriol into Agatha's chamber? Was it not this ... — The Parasite • Arthur Conan Doyle
... and the sun, as it is only in the finest weather that men can work upon the top, or carry burdens to the hacienda. When the weather is fine, all the works are in full operation, and good profits are realized by furnishing brimstone for the manufacture of sulphuric acid. ... — Mexico and its Religion • Robert A. Wilson
... other way and consider it. Suppose we should suddenly discover that pure gold could be produced by treating common yellow clay with sulphuric acid, or that some genius should set up a machine on the border of the Sahara that received sand at one end and turned out sacked wheat at the other! What, then, would our hoarded gold be worth, or the wheat-lands of Australia, Canada or ... — The Sleuth of St. James's Square • Melville Davisson Post
... is known in several hydrated forms; being deposited, on spontaneous evaporation of a concentrated aqueous solution, in the form of large monosymmetric crystals of composition 3CdSO4.8H2O, whilst a boiling saturated solution, to which concentrated sulphuric acid has been added, deposits crystals of composition CdSO4.H2O. It is largely used for the purpose of making standard electric cells, such for example as ... — Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4 - "Bulgaria" to "Calgary" • Various
... Trunk Railway. Thomas Alva Edison was then about fifteen years of age. He had already begun to dabble in chemistry, and had fitted up a small itinerant laboratory. One day, as he was performing some occult experiment, the train rounded a curve, and the bottle of sulphuric acid broke. There followed a series of unearthly odors and unnatural complications. The conductor, who had suffered long and patiently, promptly ejected the youthful devotee, and in the process of the scientist's expulsion added a resounding ... — Pushing to the Front • Orison Swett Marden
... of a sulphuric character, owing to the fact that the water runs over beds of sulphur. Nobody has ever seen these beds, but they are supposed to constitute the cooler portions of those dominions corresponding to the Christian location of Purgatory. Sinners, ... — Punchinello, Vol. 1, No. 23, September 3, 1870 • Various
... that is, to plunge the hides, after being washed and cleaned, into a solution of tan, which (having been already used) contains no longer any of the tanning principle, mixed with a five hundredth, or even a thousandth part of the oil of vitriol, commonly called sulphuric acid; this operation not only takes off the hair, but raises and swells the hide; as, in the old way, is generally effected by barley sourings. However, further swelling and raising is necessary, and the hides should again be plunged in another quantity ... — The American Practical Brewer and Tanner • Joseph Coppinger
... OF SUBSCRIBERS is not without its special meaning and interest. If, as has been said, the grade of civilization in any community can be estimated by the amount of sulphuric acid it consumes, the extent to which a work like this has been called for in different sections of the country may to some extent be considered an index of its intellectual aspirations, if not of its actual progress. This is especially true of those remoter regions where personal ... — The Atlantic Monthly, Vol. I., No. 3, January 1858 - A Magazine of Literature, Art, and Politics • Various
... Bolivian tin is exported from Chilean ports. Among the non-metallic minerals are nitrate of soda, borate of lime, coal, salt and sulphur, together with various products derived from these minerals, such as iodine, sulphuric acid, &c. Guano is classed among the mineral products and still figures as an export, though the richest Chilean deposits were exhausted long before the war with Peru. Of non-metallic products nitrate of soda is by far the most important. Extensive deposits of the salt (called ... — Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 2 - "Chicago, University of" to "Chiton" • Various
... of a mate," Griffiths replied, too hot himself to speak heatedly. "When the beach at Guvutu heard I'd shipped you, they all laughed. 'What? Jacobsen?' they said. 'You can't hide a square face of trade gin or sulphuric acid that he won't smell out!' You've certainly lived up to your reputation. I ain't had a drink for a fortnight, what of ... — A Son Of The Sun • Jack London
... stated that her cargo was 3000 barrels of lime, 8000 kids of tallow, and 2500 carboys of acid, 1700 of which were sulphuric, the rest of nitric acid. "That cargo won't be much good to us, Doc. I'd hope to find something we could use. Let's find the log-book, and see what happened to her." Boston rummaged what seemed to be the first-mate's room. ... — Great Sea Stories • Various
... England. they will succeed in making Ireland "free from the galling yoke of Saxon tyranny" and every Irishman independent of everybody and everything everywhere. Well supplied with funds from New York, Whitehead quietly arranged his little manufactory, buying glycerine from one firm and nitric and sulphuric acids from others, certain members of the conspiracy coming from London to take away the stuff when it was completely mixed. The deliveries of the peculiar ingredients attracted the attention of Mr. Gilbert Pritchard, whose chemical knowledge led him to guess what they were required for; he informed ... — Showell's Dictionary of Birmingham - A History And Guide Arranged Alphabetically • Thomas T. Harman and Walter Showell
... who know how to manage them without poisoning themselves. It's as dangerous as working with explosives. Frequently, though, when attacking defenceless persons, he uses simpler recipes. He distils extracts of poison and adds sulphuric acid to fester the wound, then he dips in this compound the point of a lancet with which he has his victim pricked by a flying spirit or a larva. It is ordinary, well-known magic, that ... — La-bas • J. K. Huysmans
... strong measures and cut off exports to these countries which export food, raw material, etc. to Germany. Sweden is particularly active in this traffic, but I understand that sulphur pyrites are sent from Norway, and sulphuric acid made therefrom is an absolute essential to the manufacture of munitions ... — My Four Years in Germany • James W. Gerard
... have the fight against sour land which is the heritage of the modern farmer after years of continuous application to his land of phosphoric and sulphuric acid in the form of mineral fertilizers. What sour land the Romans had they corrected with humus making barnyard manure, or the rich compost which Cato and Columella recommend. They had, however, a test for sourness of land which ... — Roman Farm Management - The Treatises Of Cato And Varro • Marcus Porcius Cato
... aromatic chalk and opium powder, or give the following medicine three times a day: Compound powdered catechu, 1 grain to 10; powdered chalk with opium, 3 grains to 30. Mix. If the diarrhoea still continues, good may accrue from a trial of the following mixture: Laudanum, 5 to 30 drops; dilute sulphuric acid, 2 to 15 drops; ... — Dogs and All About Them • Robert Leighton
... the apparatus, about two ounces of hyposulphite of soda are placed in the bottle A, while the bottle B is about three-fourths filled with water—distilled or melted ice water is to be preferred; some sulphuric acid—about two ounces—is now diluted with about twice its bulk of water, by first putting the water into a dish and pouring in the acid in a steady stream, stirring meanwhile. It is well to set the dish in a sink, to avoid ... — Scientific American Supplement, No. 460, October 25, 1884 • Various
... can remove an animal or plant from one climate or soil to another, and give it food on which it did not subsist in its natural state. It is an error to speak of man "tampering with nature" and causing variability. If a man drops a piece of iron into sulphuric acid, it cannot be said strictly that he makes the sulphate of iron, he only allows their elective affinities to come into play. If organic beings had not possessed an inherent tendency to vary, man could have done nothing. (Introduction/2. M. Pouchet ... — The Variation of Animals and Plants under Domestication - Volume I • Charles Darwin
... of the starboard watch. He even swore. But there was no life to his curse, and he made no step to follow the defiant stiff into the foc'sle. Instead, he went to the job at hand, and quite obviously sought to regain mastery and self-respect by sulphuric blustering towards the men bent over the ropes. He was a defeated man. He knew it, and we ... — The Blood Ship • Norman Springer
... found in various rocks of Tennessee, Florida, and South Carolina, and also to a large extent in bones. The rocks or bones are usually treated with sulphuric acid. This treatment changes the phosphoric acid into a ... — Agriculture for Beginners - Revised Edition • Charles William Burkett
... box sawdust with nitric and sulphuric acid (in the same manner as cotton), and then dissolving it in ether, it gives a far more sensitive collodion than either cotton or paper, and the pictures produced by it ... — Notes and Queries, Number 233, April 15, 1854 • Various
... could but wash this corpse in a solution of sulphuric acid," continued my uncle, "I would undertake to remove all the earthy particles, and these resplendent shells, which are incrusted all over this body. But I am without this precious dissolving medium. Nevertheless, such as it is, this body will ... — A Journey to the Centre of the Earth • Jules Verne
... mines the rock is kiln dried and then ground to a very fine powder called "floats" which is used on the soil. The phosphoric acid in the floats is insoluble and becomes available only as the phosphate decays. This is too slow for most plants so it is treated with oil of vitriol or sulphuric acid to make it available. The phosphoric acid in the ground rock is combined with lime, forming a phosphate of lime which is insoluble. When treated with the oil of vitriol or sulphuric acid, the sulphuric acid takes lime from the ... — The First Book of Farming • Charles L. Goodrich
... out of that bottle of sulphuric acid, your coat won't be worth much,' he said, as Taylor swung the coat over ... — That Scholarship Boy • Emma Leslie
... explosive compound, having some advantages over gunpowder, but so irregular hitherto in its action that it is at present used only for mining purposes. It consists of ordinary cotton treated with nitric and sulphuric acid and water, and has been named by chemists ... — The Sailor's Word-Book • William Henry Smyth
... is often puzzling. From the fact that where land has been strongly limed, a small quantity of plaster applied shows such decided benefit, there would seem plausibility in Liebig's theory that its effects must be traceable not to the lime, but to the sulphuric acid. The ammonia in rain-water in the form of carbonate (a volatile salt) is decomposed by plaster, the sulphuric acid having greater affinity for it, thus forming two new compounds, sulphate of ammonia and carbonate of lime. But as arable soil has the same property of absorbing ... — The $100 Prize Essay on the Cultivation of the Potato; and How to Cook the Potato • D. H. Compton and Pierre Blot
... coquetry whenever she wished to gain access to a steam bakery and particular as she generally was about her toilette, she would come away again sooty and grimy if thereby she could procure for Rafael some insight into mechanics. She shrank from foul air as from the cholera, yet inhaled sulphuric acid gas as though it had been ozone for ... — Absalom's Hair • Bjornstjerne Bjornson
... we use to propel the boat on the surface. We can't use it submerged, however, on account of the exhaust; so, for under-water work, we use a strong storage battery to work a motor. You see the motor back there, and under this deck is the storage battery—large jars of sulphuric acid and lead. It is a bad combination if ... — The Wreck of the Titan - or, Futility • Morgan Robertson
... extreme vigour. Litmus reveals, as you know, the action of an acid by turning red, turmeric reveals the action of an alkali by turning brown. Sulphate of soda, you know, is a salt compounded of the alkali soda and sulphuric acid. The voltaic current passing through a solution of this salt so decomposes it, that sulphuric acid appears at one pole of the decomposing cell and alkali at the other. Faraday steeped a piece of litmus paper and a piece of turmeric paper in ... — Faraday As A Discoverer • John Tyndall
... footstep of God in crystals of alum and sulphur and salt. Here is the chemist's shop of the continent. Enough black indelible ink rushes out of this well, with terrific plash, to supply all the scribes of the world. There are infinite fortunes for those who will delve for the borax, nitric and sulphuric acid, soda, magnesia and other valuables. Enough sulphur here to purify the blood of the race, or in gunpowder to kill it; enough salt to savor all the vegetables of the world. Its acid water, which ... — Around The Tea-Table • T. De Witt Talmage
... of taste is also limited, and as has been already stated, cannot distinguish all flavors. We can recognize by taste one part of sulphuric acid in 1000 parts of water; one drop of this on the tongue would contain 1/2000 of a grain (3/400 of a grain) of sulphuric acid. The length of time needed for reaction in sensation has been determined by Vintschgau and Hougschmied, and in a person ... — Was Man Created? • Henry A. Mott
... is any place on earth where a man is justified in being mean, it is in Butte. It is a mining camp. It rests upon bleak, barren hills; the sulphuric fumes, arising from roasting ores, have long since killed out all vegetation. It has not even a sprig of grass. This smoke, also laden with arsenic, sometimes hovers over Butte like a London fog. More wealth is every year dug out of the earth in Butte, and ... — Tales of the Road • Charles N. Crewdson
... hurried on. "I will just make a few scratches on this fourth sheet of paper—so. It leaves no mark. But it has the remarkable property of becoming red in vapor of sulpho-cyanide. Here is a long-necked flask of the gas, made by sulphuric acid acting on potassium sulpho-cyanide. Keep back, Dr. Waterworth, for it would be very dangerous for you to get even a whiff of this in your condition. Ah! See—the scratches I made ... — Master Tales of Mystery, Volume 3 • Collected and Arranged by Francis J. Reynolds
... in a different class of minerals—compounds of metals with the sulphates, such as sulphuric acid and compounds; also those containing the metallic sulphides; in cases where the metalliferous ores or the metallic elements enter into composition with the halogens—bromine, chlorine, fluorine, and iodine—in all these, precious ... — The Chemistry, Properties and Tests of Precious Stones • John Mastin
... spasms—antispasmodics—are the ones indicated. Chloral hydrate may be used. This is to be given in a dose of 1 ounce in a pint of water as a drench. As this drug is irritant to the throat and stomach, it has to be well diluted. A common and good remedy is sulphuric ether and laudanum, of each 2 ounces, in a half pint of linseed oil. Another drench may be composed of 2 ounces each of sulphuric ether and alcohol in 8 ounces of water. If nothing else is at hand give whisky, one-half pint in hot water. Jamaica ginger is useful. If relief is not obtained in one ... — Special Report on Diseases of the Horse • United States Department of Agriculture
... Sulphuric acid causes death from its corrosive action, and when taken in excessive quantities it produces great gastric disturbance; however, there are persons addicted to taking oil of vitriol without any apparent untoward effect. There is mentioned a boot-maker who constantly took ... — Anomalies and Curiosities of Medicine • George M. Gould
... mouth with concentrated sulphuric and nitric acids, without the smallest injury or discoloration; the nitric acid changed the cuticle to a yellow color; with the acids in this state he rubbed his hands and arms. All these experiments were continued long enough to prove their inefficiency to produce ... — The Miracle Mongers, an Expos • Harry Houdini
... striking fell on the tinder and caught it on fire here and there. Soon after the long, rough lucifer matches appeared, which were dipped into a little bottle filled, I believe, with asbestos wet with sulphuric acid. ... — Uarda • Georg Ebers
... fertilizer called upon me with a small tin sample box, containing a mixture which emitted a most villainous odour. He sniffed with appreciation at the compound, probably consisting of some nitrogenous material such as wool treated with sulphuric or hydrochloric acid, and began his address. He had not gone far before I remembered a story of a similar person in Hampshire. This man had called upon the leading farmers, and offered them a bargain, explaining that ... — Grain and Chaff from an English Manor • Arthur H. Savory
... same instances of which we have already been speaking. Thus, what we call limestone is a more or less pure calcareous earth in combination with a delicate acid, which is familiar to us in the form of a gas. Now, if we place a piece of this stone in diluted sulphuric acid, this will take possession of the lime, and appear with it in the form of gypsum, the gaseous acid at the same time going off in vapour. Here is a case of separation: a combination arises, and we believe ourselves now ... — Robert Browning: How To Know Him • William Lyon Phelps
... the feed. In extreme cases give four drams of carbonate of ammonia, two drams of belladonna, mixed with one pint of water. Blankets wrung out of hot water and applied will help to relieve the pain. Another remedy is one ounce of sulphuric ether and one ounce tincture of opium in a pint of warm water. A pint of whiskey in a pint of warm ... — Pratt's Practical Pointers on the Care of Livestock and Poultry • Pratt Food Co.
... hurled himself bodily on to it to effect its capture. Poor man! he did not know that the little animal is never unwilling to be caught. Men have been blinded for ever by a discharge of the fiery liquid full in their faces. On a mucous membrane it burns like sulphuric acid, say the unfortunates who have had the experience. How does nature protect the skunk itself from the injurious effects of its potent fluid? I have not unfrequently found individuals stone-blind, sometimes moving ... — The Naturalist in La Plata • W. H. Hudson
... by chloral; and nascent hydrogen converts it into aldehyde. By means of phosphorus pentachloride, chlorine can be substituted for the oxygen of chloral, the body CCl3.CCl2H being produced; an analogous compound, CCl3.C(C6H5)2H, is obtained by treating chloral with benzene and sulphuric acid. With an alkali, chloral gives chloroform (q.v.) and a formate; oxidizing agents give trichloracetic acid, CCl3.CO(OH). When kept for some days, as also when placed in contact with sulphuric acid or a very small quantity of water, chloral undergoes spontaneous change into the polymeride metachloral ... — Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 3 - "Chitral" to "Cincinnati" • Various
... saccharine liquid containing 1.720 grammes (26.2 grains) of sugar-candy. From April 18th our yeast was in good condition and well developed. We collected it, after having added to the liquid a few drops of concentrated sulphuric acid, with the object of checking the fermentation to a great extent, and facilitating filtration. The sugar remaining in the filtered liquid, determined by Fehling's solution, showed that 1.04 grammes (16 grains) of sugar had disappeared. ... — The Harvard Classics Volume 38 - Scientific Papers (Physiology, Medicine, Surgery, Geology) • Various
... conjurer's trick can approach such a transformation as that of oxygen and hydrogen gases into water. The miracle of turning water into wine is tame by comparison. Dip plain cotton into a mixture of nitric and sulphuric acids and let it dry, and we have that terrible explosive, guncotton. Or, take the cellulose of which cotton is composed, and add two atoms of hydrogen and one of oxygen, and we have sugar. But we are to remember ... — The Breath of Life • John Burroughs
... conductor of the 1865 and 1866 lines joined together at the Newfoundland end, thus forming an unbroken length of 3,700 miles in circuit. He then placed some sulphuric acid in a very small silver thimble, with a fragment of zinc weighing a grain or two. By this primitive agency he succeeded in conveying signals through twice the breadth of the Atlantic Ocean in little ... — Little Masterpieces of Science: - Invention and Discovery • Various
... every case the war has strengthened these factories for the manufacture of these products. In 1918 they produced nearly thirty times as much ammonia as in 1914, three times as much nitric acid, fifty per cent. as much again of sulphuric acid, and twice as much liquid chlorine. This was not purely a commercial question. Our lack of such products was due to the fact that the Allies, in pre-war times, possessed few or feeble industries whose consumption would stimulate the production of these raw materials. They lacked these industries ... — by Victor LeFebure • J. Walker McSpadden
... Illustration. In inhaling sulphuric ether, or letheon, it is introduced into the vessels of the lungs in the form of vapor, and through them it is rapidly conveyed to the brain, and thus ... — A Treatise on Anatomy, Physiology, and Hygiene (Revised Edition) • Calvin Cutter
... instrument which he called a voltameter, or a volta-electrometer. It consisted of a simple device for measuring the amount of hydrogen and oxygen gases liberated by the passage of an electric current through water acidulated with sulphuric acid. He showed, by numerous experiments, that the decomposition effected is invariably proportional to the amount of electricity passing; that variations in the size of the electrodes, in the pressure, or ... — Beacon Lights of History, Volume XIV • John Lord
... vegetarian, a proscriber of all animal nourishment, of all fermented liquors, half a Mussulman, half a Brahman. On this occasion Jem Chip was supported by another member of the club, William T. Forbes, the manager of a large factory where they made glucose by treating rags with sulphuric acid. A man of good standing was this William T. Forbes, the father of two charming girls—Miss Dorothy, called Doll, and Miss Martha, called Mat, who gave the tone to the best society ... — Rubur the Conqueror • Jules Verne
... greenockite; and sulphurets of nickel. Having examined the first six cases of the series ranged along the southern side of the room, the visitor should turn to the six last cases of the series (55-60). The first northern case (55) is covered with various Sulphates, or metals in combination with sulphuric acid, exhibiting beautiful crystals and colours, including sulphate of magnesia from Oregon; sulphate of zinc, or white vitriol; sulphate of iron, or green vitriol; and the splendid blue sulphates of copper from Hungary; beautiful sulphates of lead from Anglesea; ... — How to See the British Museum in Four Visits • W. Blanchard Jerrold
... from wool by the process commonly known as "carbonising," which consists in treating the fabric with a weak solution of hydrochloric acid or some other acid, then drying it; the cotton is disintegrated and falls away in the form of a powder, while the wool is not affected, sulphuric acid is used very largely in dyeing wool with the ... — The Dyeing of Woollen Fabrics • Franklin Beech
... essence of beer; and he says, that, by the advice of his father, a vessel strongly fumigated with sulphur was filled with it, and prevented the fermentation for a few days. He does not explain on what principle, and perhaps was not acquainted with it. The fact is, that sulphuric acid, which is produced by the burning of sulphur, has the power of checking, or altogether destroying, the fermentation of substances. In the present case, it seems, enough of it had not been produced to answer ... — A General History and Collection of Voyages and Travels, Volume 14 • Robert Kerr
... delicate leaves. English tea-drinkers, who like to mix a green and a black tea, and allow it to steam for a quarter of an hour to make it strong, complain that Chinese tea is mere dishwater, just as the man accustomed to get boozy on brandy, made 'fiery' with sulphuric acid, has no taste for the light French wines. A Chinaman colors his green tea with Prussian blue for his foreign customers, who like a bright, pretty color; but he is too wise to drink it. This process of coloring we have seen, publicly, in the tea factories ... — The Continental Monthly, Vol. 6, No. 6, December 1864 - Devoted To Literature And National Policy • Various
... Mondollot has obtained such a result through a happy modification of the primitive system of the English engineer Bramah. He preserves the suction and force pump but, while applying it to the same uses, he likewise employs it, by the aid of a special arrangement, so as to distribute the sulphuric acid automatically over the chalk in the generator, and to thus obtain a regular and continuous disengagement of carbonic acid gas. The dangers and difficulties in the maneuver of an acid cock are obviated, the gasometer ... — Scientific American Supplement, No. 365, December 30, 1882 • Various
... Direction of Current. Simple Current Detector. How to Place the Detector. Different Ways to Measure a Current. The Sulphuric Acid Voltameter. The Copper Voltameter. The Galvanoscope Electro-magnetic Method. The Calorimeter. The Light Method. The Preferred Method. How to Make a Sulphuric Acid Voltameter. How to Make a Copper Voltameter. Objections ... — Electricity for Boys • J. S. Zerbe
... grains found with raisins are grape sugar, or glucose. Milk sugar is readily obtained of the druggist. Prepare a solution of the various sugars by dissolving a small quantity of each in water. Heat each solution with sulphuric acid, and it is seen to darken ... — A Practical Physiology • Albert F. Blaisdell
... from a base and oxygen, to be excluded from the connotation. The same discovery fixed the attention of chemists upon hydrogen as an important element in acids; and more recent discoveries having led to the recognition of its presence in sulphuric, nitric, and many other acids, where its existence was not previously suspected, there is now a tendency to include the presence of this element in the connotation of the word. But carbonic acid, silica, sulphurous acid, have no hydrogen in their composition; that ... — A System Of Logic, Ratiocinative And Inductive • John Stuart Mill
... a hammer and he chopped it with a bill, He poured sulphuric acid on the edge of it, until This terrible Avenger of the Majesty of Law Was far less like a hatchet than a ... — Fifty Bab Ballads • William S. Gilbert
... do not object to expense nor to the use of a poisonous preparation, a wash of Waterton's Solution (No. 5), or the sulphuric ether preparation (No. 18), can be substituted for benzoline or turpentine. I mention the expense, because only rectified spirits of wine, or pure sulphuric ether, will do for birds; the methylated spirit, though ... — Practical Taxidermy • Montagu Browne
... skin generally, and especially by the inner folds over all delicate parts of the body. We all know that common caustic burns us wherever it touches; and it burns the tongue only in a somewhat more marked manner. Nitric or sulphuric acid attacks the fingers each after its own kind. A mustard plaster makes us tingle almost immediately; and the action of mustard on the tongue hardly differs, except in being more instantaneous and more discriminative. ... — Falling in Love - With Other Essays on More Exact Branches of Science • Grant Allen
... phenomena of inks were published in 1797. The most valuable of his conclusions were that an excess of iron salt in the ink is detrimental to color permanence (such ink becoming brown on exposure) and also that acetic acid in the menstruum provides an ink of greater body and blackness than sulphuric acid does (a circumstance due to the smaller resistance of acetic acid to the formation of iron gallo-tannate). Many of his other observations were later shown to have been erroneous. Dr. Lewis was the first to advocate log- ... — Forty Centuries of Ink • David N. Carvalho
... brother, no!" Laevsky sighed. "A scientific man who was on the steamer told me the Black Sea was poor in animal life, and that in its depths, thanks to the abundance of sulphuric hydrogen, organic life was impossible. All the serious zoologists work at the biological station at Naples or Villefranche. But Von Koren is independent and obstinate: he works on the Black Sea because nobody else is working there; he is at loggerheads with the university, ... — The Duel and Other Stories • Anton Chekhov
... cellulose. De Bary insinuated affinities with Amoeba,[A] whilst Tulasne affirmed that the outer coat in some of these productions contained so much carbonate of lime that strong effervescence took place on the application of sulphuric acid. Dr. Henry Carter is well known as an old and experienced worker amongst amoeboid forms of animal life, and, when in Bombay, he devoted himself to the examination of the Myxogastres in their early stage, ... — Fungi: Their Nature and Uses • Mordecai Cubitt Cooke
... of etherization we ought to eliminate all evidence of an ex parte character, unless it is supported circumstantially; but there is no reason why we should disbelieve Mrs. Morton's statement that her husband made experiments with sulphuric ether; that his clothes smelt of it; and that he tried to persuade laboring-men to allow him to experiment upon them with it. As Dr. J. Collins Warren says: "Anaesthesia had been the dream of many surgeons and scientists, but it had been classed with aerial ... — Cambridge Sketches • Frank Preston Stearns
... materials needed with which to manufacture the supplies are mild carbon steel for the barrels, bayonets, bolt, and locks; well-seasoned ash or maple, straight-grained, for the stocks; brass, iron, powder, antimony, benzol or phenol, sulphuric acid, nitric acid, and caustic soda, &c. Of these various materials the most difficult to secure are those used in the manufacture ... — New York Times Current History; The European War, Vol 2, No. 5, August, 1915 • Various
... I do. This aching feeling, together with a sense of justice, makes my writing a contemptible pursuit in my eyes: I don't respect what I write, I am apathetic and bored with myself, and glad that I have medicine which, anyway, I practise not for the sake of money. I ought to have a bath in sulphuric acid and flay off my skin, and ... — Letters of Anton Chekhov • Anton Chekhov
... important discovery; but those who wish to investigate it, are referred to a pamphlet lately issued at Hartford, entitled, "Discovery by the late Dr. Horace Wells of the Applicability of Nitrous Oxide Gas, Sulphuric Ether, and other Vapors, in Surgical Operations, nearly two years before the Patented Discovery of Drs. Charles T. Jackson and W. T. G. Morton." This pamphlet was prepared by Mr. Toucey, recently Attorney General of the United States, and nothing can be more conclusive ... — The International Magazine, Volume 2, No. 3, February, 1851 • Various
... and water, and rectified the resultant spirit from fusel oil by passing the alcoholic vapour through animal charcoal before it entered the worm of the still. We converted part of the alcohol into sulphuric ether. We produced phosphorus from bones, and elaborated many of ... — James Nasmyth's Autobiography • James Nasmyth
... machines have been designed specially, an early patent for disintegrating rubber scrap by "subjecting it to the abrading action of grindstones" having failed to meet with favor. The most usual chemical treatment is a bath in a solution of sulphuric acid in lead-lined tanks. Generally heat is employed to hasten the process, through the medium of steam, in which case the tanks are tightly closed. The next step is the washing of the scrap, to free it of acid and dirt, after which it is sheeted by ... — Scientific American Supplement, No. 1178, June 25, 1898 • Various
... girl who dropped the sulphuric acid into the something of potassium? I nearly made a ... — Roden's Corner • Henry Seton Merriman
... a funnel, and at its upper part is between ten and twelve feet diameter. Its surface is covered with foam. The temperature of the water is only 7 deg. C. higher than the atmosphere. Some of these springs are tepid and sulphuric; and the temperature of one of them is as high as 89 deg. C. Near some of the springs quadrangular basins have been constructed for baths, which are said to be very efficacious in cutaneous and rheumatic complaints. The climate of Yauli is exceedingly rigorous. In summer the medium ... — Travels in Peru, on the Coast, in the Sierra, Across the Cordilleras and the Andes, into the Primeval Forests • J. J. von Tschudi
... heated, emit an agreeable smell of benzoin. When the chica is subjected to distillation, it yields no sensible traces of ammonia. It is not, like indigo, a substance combined with azote. It dissolves slightly in sulphuric and muriatic acids, and even in alkalis. Ground with oil, the chica furnishes a red colour that has a tint of lake. Applied to wool, it might be confounded with madder-red. There is no doubt but that the chica, unknown in ... — Equinoctial Regions of America V2 • Alexander von Humboldt
... it becomes of the size required for the sort of pins intended to be made. During this process the wire is hardened, and to prevent its breaking, it must be annealed two or three times, according to the diminution of diameter required. (d) The coils are then soaked in sulphuric acid, largely diluted with water, in order to clean them, and are then beaten on stone, for the purpose of removing any oxidated coating which may adhere to them. These operations are usually performed by men, who draw and clean from thirty to thirty-six pounds of wire a day. ... — On the Economy of Machinery and Manufactures • Charles Babbage
... January), but it also stands apart in being positive, serving as a base, not as a chlorous, or acid, radical, thus "playing the part of a metal," as in hydrogen chloride (hydrochloric acid), hydrogen sulphate (sulphuric ... — Occult Chemistry - Clairvoyant Observations on the Chemical Elements • Annie Besant and Charles W. Leadbeater
... drought, a cloud of steam was kept rising round the instrument, saturating the air and paper. At more temperate places the ordinary means of drying the air by taking advantage of the absorbing power of sulphuric acid for moisture prevailed. At Marseilles the recorder acted in some respects like a barometer. Marseilles is subject to sudden incursions of dry northerly winds, termed the MISTRAL. The recorder never failed to indicate the mistral when it blew, and sometimes even to ... — Heroes of the Telegraph • J. Munro
... agencies to bring about his exactly predetermined ends—just as calmly certain of the results as Seaton himself would have been in his own laboratory, mixing equivalent quantities of solutions of barium chloride and of sulphuric acid to obtain a ... — Skylark Three • Edward Elmer Smith
... the land soon after the wheat came up, and in March I applied silicate of soda, sulphate of magnesia, gypsum, common salt, and nitrate of soda. A fortnight after this I applied guano, then bones dissolved in sulphuric acid, then woollen rags dissolved in potash (the two latter in weak solution); and the consequence was, that I don't think there was a single grain in the whole parcel—at least I could not find one—the straw was no great length, and the blade much discolored ... — Essays in Natural History and Agriculture • Thomas Garnett
... said Ygene next day, as he poured the pails of sulphuric acid into the troughs of ... — A Winter Amid the Ice - and Other Thrilling Stories • Jules Verne
... chemistry in all its branches is built upon the axiom that molecules are absolutely unalterable and that molecules of the same kind are always absolutely identical. A molecule of water is always and invariably composed of two atoms of hydrogen and one of oxygen. A molecule of sulphuric acid invariably contains two atoms of hydrogen, one of sulphur, and four of oxygen. A molecule of potassium chlorate is always composed of just one atom of potassium chloride and three atoms of oxygen. Never is there any variation of these proportions ... — Evolution - An Investigation and a Critique • Theodore Graebner
... baptized me, the bath-tub being her Jordan, in the name of duty, love, and patience. In truth, Aunt Judy took as much prophylactic pains with my soul as if it had been tainted with a congenital sulphuric diathesis; and if I had sunk under a complication of profane disorders, no postmortem statement of my spiritual pathology would have been complete and exact which failed to take note of her ... — The Atlantic Monthly, Volume 18, No. 105, July 1866 • Various
... Mrs. Rogers, when the servant-woman, Jane Riddet, ran out and begged him to come in, as their lodger had been taken suddenly ill. Ill indeed! The surface of his body was cold as death, and the apothecary quickly discovered that he had been poisoned with sulphuric acid (oil of vitriol), a quantity of which he, Morgan, had sold a few days previously to Mrs. Rogers, who, when purchasing it, said Mr. Jackson wanted it to apply to some warts that annoyed him. Morgan fortunately knew the proper remedy, ... — The International Monthly Magazine, Volume 5, No. 1, January, 1852 • Various
... constituting, on an average, about one-third of the entire ash. Oxides of manganese and iron are always present; the former averaging about 3 per cent. and the latter 5 per cent. to 2 per cent. of the ash. Sodium, calcium, and chlorine are usually present in small and varying quantities. Sulphuric acid occurs in the ash of all fungi, and is remarkable for the great variation in quantity present in different species; e. g., ash of Helvella esculenta contains 1.58 per cent. H2SO4 while that of Agaricus campestris contains the relatively enormous amount of 24.29 ... — Studies of American Fungi. Mushrooms, Edible, Poisonous, etc. • George Francis Atkinson
... pulse, excessive thirst, while drink increases the pain and rarely remains in the stomach; frequent but vain efforts to urinate; cold sweats, altered countenance; convulsions generally preceding death; nitric acid causes yellow stains; sulphuric acid, black ones. Treatment: Mix calcined magnesia in milk or water to the consistence of cream, and give freely to drink a glassful every couple of minutes, if it can be swallowed. Common soap (hard or soft), chalk, whiting, or even mortar from ... — Burroughs' Encyclopaedia of Astounding Facts and Useful Information, 1889 • Barkham Burroughs
... more bits, if you will be a child. Here's a green piece, long, of the stone they cut those green weedy brooches out of, and a nice mouse-colored natural agate, and a great black and white one, stained with sulphuric acid, black but very fine always, and ... — Hortus Inclusus - Messages from the Wood to the Garden, Sent in Happy Days - to the Sister Ladies of the Thwaite, Coniston • John Ruskin
... it is quite certain that when we call an act right or a picture beautiful we do not mean to be expressing a mere personal liking of our own, any more than when we make a statement about the composition of sulphuric acid or the product of 9 and 7. As Dr. Rashdall has put it, when we say that a given act is right, we do not pretend to be infallible. We know that we may fall into mistakes about right and wrong just as we may make mistakes in working a multiplication sum. But we do mean ... — Recent Developments in European Thought • Various
... covering the flames and extinguishing them. The value of a fire extinguisher depends upon the amount of carbon dioxide and water which it can furnish. A fire extinguisher is a metal case containing a solution of bicarbonate of soda, and a glass vessel full of strong sulphuric acid. As long as the extinguisher is in an upright position, these substances are kept separate, but when the extinguisher is inverted, the acid escapes from the bottle, and mixes with the soda solution. The mingling liquids interact and liberate carbon ... — General Science • Bertha M. Clark
... letters showed in violet lines. The explanation is that note paper contains starch, which under pressure becomes "hydramide," and turns blue in the iodine fumes. It is best to write on a hard surface, say a pane of glass. Sulphuric acid gas will make the writing disappear again, and it can ... — Disputed Handwriting • Jerome B. Lavay
... Mr. McIlheny requires is forty-rod whiskey in a solution of sulphuric acid. You must take that, or fourth-proof brandy straight, ... — The Albany Depot - A Farce • W. D. Howells
... until the spectrum exhibits all the elements we know of. It has thus seemed likely either that most of what are called elements are composed of molecular groupings of some fundamental element, which by proper physical methods might be decomposed, as one can now decompose a molecule of ammonia or sulphuric acid, or that the elements are now being created by some extra-physical process in those far-off regions. In either case an atom is the embodiment of energy in such a form as to be permanent under ordinary physical circumstances, but of which, if in any manner it should ... — The Machinery of the Universe - Mechanical Conceptions of Physical Phenomena • Amos Emerson Dolbear
... that emit aqueous vapours. We may be convinced of the presence of the sulphurous acid, by examining the fine crystals of sulphur, which are everywhere found in the crevices of the lava. This acid, combined with the water with which the soil is impregnated, is transformed into sulphuric acid by contact with the oxygen of the atmosphere. In general, the humidity in the crater of the peak is more to be feared than the heat; and they who seat themselves for a while on the ground find their ... — Equinoctial Regions of America • Alexander von Humboldt
... then directed their steps towards the place from which the smoke escaped. They there saw a sulphur spring which flowed abundantly between the rocks, and its waters discharged a strong sulphuric acid odor, after having absorbed ... — The Mysterious Island • Jules Verne
... a table-spoonful of vinegar enough powdered chalk to destroy the acidity. Let it settle—then turn off the vinegar from the chalk carefully, and dry it perfectly. Whenever you wish to purify an infected room, put in a few drops of sulphuric acid—the fumes arising from it will purify a room where there has been any infectious disorder. Care is necessary in using it, not to inhale the fumes, or to get any of the acid on your garments, as it will ... — The American Housewife • Anonymous
... Mr. Schnlitzer-Murphy are of little importance, I should imagine," interrupted Braddock Washington coldly. "My slaves did not keep coal in their bathtubs. They had orders to bathe every day, and they did. If they hadn't I might have ordered a sulphuric acid shampoo. I discontinued the baths for quite another reason. Several of them caught cold and died. Water is not good for certain races—except ... — Tales of the Jazz Age • F. Scott Fitzgerald
... sulphuric acid and ten tons of iron filings, were put on board for the future production of the hydrogen gas. The quantity was more than enough, but it was well to be provided against accident. The apparatus to be employed in manufacturing the gas, including ... — Five Weeks in a Balloon • Jules Verne
... highest degree of passion the jealous man uses violence or resorts to firearms, while the woman scratches, poisons or stabs. Among savages, jealous women bite off their rivals' noses; in civilized countries they throw sulphuric acid in the face. The object is the same in ... — The Sexual Question - A Scientific, psychological, hygienic and sociological study • August Forel
... the materials which are already in combination in the pigment. The action of the oxygen in the air is the chief agent in affecting the pigment, and it is here particularly that light, and especially sunlight, assists in decomposition. The air of towns and cities generally contains sulphuric and sulphurous acids and sulphuretted hydrogen. This latter gas is most effective in changing oil paintings, because of its action in turning white lead dark; and as white lead is the basis of many qualities in painting, this gas may have a ... — The Painter in Oil - A complete treatise on the principles and technique - necessary to the painting of pictures in oil colors • Daniel Burleigh Parkhurst
... distribution of the four anti-aircraft guns and cars comprising his battery. After he was through the commander replied: "Very good, sir, that will be done with all the guns except the third gun." The voice over the wire became very dignified, a preliminary to becoming sulphuric. "What do you mean, all but the third gun?" "Because, sir, the enemy has just 'crumped' the third gun and all that remains of it ... — "Crumps", The Plain Story of a Canadian Who Went • Louis Keene
... then pickled in a hot solution of either niter cake or sulphuric acid and water at a temperature of 170 deg.F., and using a solution of about 25 per cent. The solution was maintained at a constant point by taking hydrometer readings two or three times a day, maintaining a reading of about 1.175. Sixty forked or one hundred single rods were placed in wooden ... — The Working of Steel - Annealing, Heat Treating and Hardening of Carbon and Alloy Steel • Fred H. Colvin
... have been made with the vapors of two very volatile liquids, namely, sulphuric ether and hydride of amyl. The sources of radiant heat were, in some cases, an incandescent lime cylinder, and in others a spiral of platinum wire, heated to bright redness by an electric current. One or two of the measurements will suffice for the purposes of illustration. First, then, as ... — Scientific American Supplement, No. 365, December 30, 1882 • Various
... adding to the wet chloride at least double its volume of water, containing one-tenth part of sulphuric acid; plunge into this a thick piece of zinc, and leave it here for four-and-twenty hours. The chloride of silver will be reduced by the formation of {477} chloride and sulphate of zinc, and of pure silver, which will remain under ... — Notes and Queries, Number 238, May 20, 1854 • Various
... rendered uneven in an extreme degree, with numerous craters, some few occasionally in eruption, but the greater number in the state of solfataras, discharging calcareous, siliceous, ferruginous matters, and gypsum or sulphuric acid to an amount surpassing, perhaps, even the existing sulphureous volcanoes of Java (Von Buch's "Description Physique des Iles Canaries" page 428.), we shall probably understand the circumstances under which this singular ... — South American Geology - also: - Title: Geological Observations On South America • Charles Darwin
... limbs were stiff and sore, his bullet-seared shoulder burned intolerably beneath a rudely applied first-aid dressing, and he was breathing heavily long, labouring inhalations of an atmosphere sickeningly dank, close, and foul with unspeakable stenches, for which the fumes of sulphuric acid with a rank reek of petroleum and lubricating oils formed but a ... — The False Faces • Vance, Louis Joseph
... successive additions of urine, until the colour of the materials changes to a purplish-red, and subsequently to a violet or blue. The colour is extremely fugitive, and affords a very delicate chemical test for the presence of an acid. The vapour of sulphuric acid has been thus detected as pervading to some extent ... — A Voyage Round the World, Vol. I (of ?) • James Holman
... check on them," Miko said grimly. "They will not fool me. And they will obey me, have no fear. A little touch of sulphuric—" His laugh was gruesome. "It makes the ... — Astounding Stories of Super-Science, March 1930 • Various
... mouse," said the Lieutenant, "a white mouse with pink eyes. He bunks in the engine-room, and when he smells sulphuric gas escaping anywhere he squeals; and the chief finds the leak, and the ship isn't blown up. Sometimes, one little, white mouse will save the ... — The White Mice • Richard Harding Davis
... contiguous to the Temple Protestant is the H. du Rhne, 8 to 10 frs. In a garden of its own, Le Chlet. Near the diligence office, the France. The H. Very. Nearly a mile from Allevard at the junction of the lias with the primitive talc-slate rise the springs, temp. 61 Fahr., with a great deal of free sulphuric acid gas, especially efficacious in diseases of the throat and the respiratory organs, for the cure of which the establishment is especially adapted, the apparatus for inhalation and gargling being both complete ... — The South of France—East Half • Charles Bertram Black
... tumbler is placed a solution consisting of two-thirds of a tumblerful of water, two ounces of bichromate of potash, and two ounces of sulphuric acid. The bichromate of potash should be dissolved first, then the acid should be slowly and carefully added. As the solution heats, it is well to prepare it in an earthen vessel, which is not liable to break. These materials should be ... — Scientific American Supplement, No. 794, March 21, 1891 • Various
... or yellow-coloured leather, take a quart of skimmed milk, pour into it 1 oz. of sulphuric acid, and, when cold, add to it 4 oz. of hydrochloric acid, shaking the bottle gently until it ceases to emit white vapours; separate the coagulated from the liquid part, by straining through a sieve, and store it away till required. In applying it, clean the leather ... — The Book of Household Management • Mrs. Isabella Beeton
... sciences, they originated chemistry; they discovered some of its most important reagents—sulphuric acid, nitric acid, alcohol. They applied that science in the practice of medicine, being the first to publish pharmacopoeias or dispensatories, and to include in them mineral preparations. In mechanics, they had determined the laws of falling bodies, had ideas, by no means ... — History of the Conflict Between Religion and Science • John William Draper
... capsicum, cocculus indicus, copperas, coriander-seed, gentian-root, ginger, grains-of-paradise, honey, liquorice, logwood, molasses, onions, opium, orange-peel, quassia, salt, stramonium-seed (deadly nightshade), sugar of lead, sulphite of soda, sulphuric acid, tobacco, turpentine, vitriol, yarrow. I have left strychnine out of the list, as some persons have doubts about this poison ever being used in adulterating liquors. A wholesale liquor-dealer in New York city, however, assures me that more than one-half ... — The Humbugs of the World • P. T. Barnum
... in turn, some oxalic, cyanic, acetic, phosphoric, chloric, hyperchloric, sulphuric, boracic, silicic, nitric, formic, nitrous nitric, and carbonic acids. Mrs. Peterkin tasted each, and said the flavor was pleasant, but not precisely that of coffee. So then he tried a little calcium, aluminum, barium, and strontium, a little clear ... — The Peterkin Papers • Lucretia P Hale
... reinforce goods smuggled through the blockade have not sufficed to meet the chemical demands of the German Government, for great flaming placards were posted up all over the Empire announcing the commandeering of such commodities as sulphur, sulphuric acid, ... — The Land of Deepening Shadow - Germany-at-War • D. Thomas Curtin
... artistic point of view this ground-note of pathos is an abiding defect in Gorki. He is lacking in the limpid clarity of sheer light-heartedness. Humour he has indeed. But his humour is bitter as gall, and corrosive as sulphuric acid. "Kain and Artem" may be ... — Maxim Gorki • Hans Ostwald
... for a few seconds in sulphuric acid, diluted with half its volume of water at about 60 deg.; wash it well in cold water, then immerse it in a weak solution of caustic ... — Ordnance Instructions for the United States Navy. - 1866. Fourth edition. • Bureau of Ordnance, USN
... the weight of the same substances contained in the bean from which it sprang. But nothing has been supplied to the bean save water, carbonic acid, ammonia, potash, lime, iron, and the like, in combination with phosphoric, sulphuric, and other acids. Neither protein, nor fat, nor starch, nor sugar, nor any substance in the slightest degree resembling them, has formed part of the food of the bean. But the weights of the carbon, ... — Discourses - Biological and Geological Essays • Thomas H. Huxley
... circumstances give rise, at a proper elevation of temperature, to compounds less rich in oxygen, and the oxygen that is set free acts upon the fatty acid that it is proposed to treat. A mixture of equal parts of chlorine and steam may be very advantageously employed, as well as anhydrous sulphuric acid and water, or oxygen, anhydrous sulphuric acid and protoxide of nitrogen, nitrogen, oxygen, and hydrogen, protoxide of nitrogen and air, or oxygen, and ... — Scientific American Supplement, No. 492, June 6, 1885 • Various
... furnaces and the chlorinising barrels. When it has sufficiently cooled, it is taken on an inclined tramway to the hoppers connected with the chlorination barrels, in which the gas is generated by mingling chloride of lime with sulphuric acid. Water only is added, and the barrels, which are perfectly air-tight, are kept revolving until the gold is thoroughly chlorinated, or, to speak plainly, put into a fluid state. Each barrel contains a charge ... — The Last Voyage - to India and Australia, in the 'Sunbeam' • Lady (Annie Allnutt) Brassey
... Sulphuric acid is a most deadly antidote; but only the best should be used. If the moth be held over the bottle for ten minutes it will show signs of collapse and offer to ... — Punch, or the London Charivari, Vol. 153, October 31, 1917 • Various
... On one occasion a company of young men went to Dr. Long's office and asked him to make them a supply of "laughing gas." There was no apparatus in the office suitable for making it, but Dr. Long told the young men that the inhalation of sulphuric ether would have the same effect. He had become acquainted with this property of ether while studying medicine in Philadelphia. The young men and their friends were so well pleased with the effects of ether inhalation, that "ether parties" became fashionable in that section, as ... — Stories Of Georgia - 1896 • Joel Chandler Harris
... imported trees. It appears as a white downy substance in the small forks of trees. This is composed of a large number of very minute woolly lice, which increase with wonderful rapidity. They are easily destroyed by washing with diluted sulphuric acid—three fourths of an ounce, by measure, from the druggist's—and seven and a half ounces of water, applied by a rag tied to the end of a stick. The operator must keep it from his clothes. After the first rain ... — Soil Culture • J. H. Walden
... of—Dilated Sulphuric Acid, half a drachm; Simple Syrup, one ounce and a half; Acid Infusion of Roses, four ... — Advice to a Mother on the Management of her Children • Pye Henry Chavasse
... submerged—was in progress, a tickling in our throats set most of us to coughing. A naval constructor of note, who was also a shark on chemistry, explained how this coughing was not caused by the chill in the air, but by the particles of sulphuric acid thrown off by the action of the storage-batteries. These little particles, it seems, went travelling about in the air seeking a home—some place, any place where they could tuck in out of the way; but all the air homes being already ... — The U-boat hunters • James B. Connolly
... experiments with the microscope. I will suggest a simple one, which illustrates very forcibly what I am endeavouring to show you. Take some particles of copper, and scatter them at intervals over the surface of an object-glass, and pour some sulphuric acid upon the glass. Now, what is the result? A beautiful network of apparently golden texture spreads itself gradually over the whole area of the glass. Steadily it pursues its way, and the result is beautiful to ... — The Romance of Mathematics • P. Hampson |