"Silica" Quotes from Famous Books
 ... fine tubes into water and made so pliable that it can be twisted into cord or spun and woven into "silk." Not only water but also fire can be kept out by paper if it is treated with the proper substances. An object can be covered with a paste of wood pulp, silica, and hemp; and when this is dry, a coat of water-glass will afford considerable protection. There has been some degree of success in making transparent paper films for moving pictures; and if these ...
— Makers of Many Things • Eva March Tappan
... more careful examination of the nascent states of silica, I have made no allusion in this volume to the influence of mere segregation, as connected with the crystalline power. It has only been recently, during the study of the breccias alluded to in page 186, that ...
— The Ethics of the Dust • John Ruskin
... South, Longitude 124 degrees 17 minutes East : Taken from rough range rising out of gently undulating desert. (July 5th.) : White flinty rock; consists in the main of Silica, with Magnesia and Alumina; it also contains water and traces of the Alkalies. It is probably derived from the decomposition of granite. The ...
— Explorations in Australia • John Forrest
... silicas. Many other alloys have been discovered within the last few years, and each makes possible new uses for iron requiring greater strength. One of the best of these is a mixture of iron and silicon, called ferro-silicon. Silica is one of the cheapest and most abundant materials of all the earth's products, so its combination with iron will greatly lengthen the life of the iron supply; and it is probable that in the future combinations of other materials ...
— Checking the Waste - A Study in Conservation • Mary Huston Gregory
... which represents Troy, Dr. Schliemann picked up the perforated whorls to which the name of fusaioles has been given (Fig. 102), and of which we spoke in our account of the Lake Dwellings of Switzerland. These fusaioles are generally of common clay mixed with bits of mica, quartz, or silica, though some few have been found at Mykenae and Tiryns of steatite. The clay whorls before being baked were plunged into a bath of a very fine clay of gray, yellow, or black color, and then carefully polished. They nearly all bear ornaments of very primitive ...
— Manners and Monuments of Prehistoric Peoples • The Marquis de Nadaillac
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