"Silicious" Quotes from Famous Books
 ... different-sized bells fixed in a frame, constitute parts in their sacred music. They have also an instrument of music which consists of stones, cut into the shape of a carpenter's square, each stone suspended by the corner in a wooden frame. Those which I saw appeared to belong to that species of the silicious genus usually called Gneiss, a sort of slaty granite. In the Keswick museum are musical stones of the same kind, which were picked up in a rivulet at the foot of Skiddaw mountain; but these seem to ...
— Travels in China, Containing Descriptions, Observations, and Comparisons, Made and Collected in the Course of a Short Residence at the Imperial Palace of Yuen-Min-Yuen, and on a Subsequent Journey thr • John Barrow
... an old soft silk handkerchief, nor any other such material to wipe the lenses, as is usually advised. It is not, however, these wiping materials that do the mischief, but the dust particles on the lenses, many of them perhaps of a silicious nature, which are always harder than optical glass, and as these particles attach themselves to the wiping material they cut microscopic or greater scratches on the surfaces of the objective in the ...
— On Laboratory Arts • Richard Threlfall |
