"Photographic plate" Quotes from Famous Books
 ... been mentioned in the preceding paragraphs all refer to observations taken with the eye, and are called visual magnitudes. The total intensity of a star is, however, essentially dependent on the instrument used in measuring the intensity. Besides the eye, the astronomers use a photographic plate, bolometer, a photo-electric cell, and other instruments. The difference in the results obtained with these instruments is due to the circumstance that different parts of the radiation are ...
— Lectures on Stellar Statistics • Carl Vilhelm Ludvig Charlier
... We say a certain portion because we know from scientific experience that the scale or gamut of sense-perception is limited, both as to its extent and as to its quality. Many insects, birds, and quadrupeds have keener perceptions in some respects than man. The photographic plate can register impressions which are beyond the perception of our highest sense of sight. The Roentgen rays have put us into relations with a new order of impression—records quite beyond the range of our normal vision. The animalcule and microbic life, ...
— How to Read the Crystal - or, Crystal and Seer • Sepharial
... Everything was in miniature, and having a camera with him, he took snapshots recklessly everywhere, each turn in the road seeming to give a picture more attractive than the last. He was to find, however, that the charm of Bermuda is too subtle for the photographic plate. ...
— The Boy With the U. S. Fisheries • Francis Rolt-Wheeler
... began to vomit forth the less desirable elements of Fishbourne society, boys and men were moved to run and shout, and more windows went up as the stir increased. Tashingford, the chemist, appeared at his door, in shirt sleeves and an apron, with his photographic plate holders in his hand. And then like a vision of purpose came Mr. Gambell, the greengrocer, running out of Clayford's Alley and buttoning on his jacket as he ran. His great brass fireman's helmet was on his head, hiding it all but the sharp nose, the firm mouth, the intrepid chin. ...
— The History of Mr. Polly • H. G. Wells
... baffled. Try as he might, he could not get the image to show on the metal plate, nor could he get any results by using a regular photographic plate, and developing ...
— Tom Swift and his Photo Telephone • Victor Appleton |
