"Chemical action" Quotes from Famous Books
 ... porous surface to reappear in a lower valley, undermining the subsoil, which in time collapses, and forms the oases of this otherwise barren land. The rain washes down the little earth that there is on the hillside, the chemical action of the limestone oxidises the same, and the so-called "terra rossa" is formed in these depressions, sufficient to give nourishment to the trees and bushes which grow there. The frugal peasant cultivates these tiny patches ...
— The Land of the Black Mountain - The Adventures of Two Englishmen in Montenegro • Reginald Wyon
... minutes, and then rapidly slid in and out several times, until the liquid flows off in one continuous and even sheet of liquid; and this also has a beneficial effect in washing off any little particles of collodion, dust, oxide, or any foreign matter which, if adherent, would form centres of chemical action, and ...
— Notes and Queries, No. 181, April 16, 1853 • Various
... provisions are placed: a large uncooked joint of meat is sometimes kept in one of these boxes for weeks. Among the celebrities of the Crystal Palace, many will recollect Masters's elegant ice-making machine, in which, by combining chemical action with centrifugal motion, ice can be made in a few minutes, let the heat of the weather be what it may. This machine, and the portable refrigerators manufactured by the Wenham Company, together with our familiar, old-fashioned ice-houses, might supply us with much more preservative ...
— Chambers's Edinburgh Journal, No. 460 - Volume 18, New Series, October 23, 1852 • Various
... (how it is made will be explained later), large or small, regular or irregular, to extend far into the earth, near or through any great source of heat resulting from condensation, combustion, chemical action, or central fire. Now suppose this tube to be filled with water from surface or subterranean sources. Heat converts water, under the pressure of one atmosphere, or fifteen pounds to the square inch, into ...
— Among the Forces • Henry White Warren
... sparkles of luster on the leaves,) you may try the extremities of the real trees, only not doing much at a time, for the brightness of the sky will dazzle and perplex your sight. And this brightness causes, I believe, some loss of the outline itself; at least the chemical action of the light in a photograph extends much within the edges of the leaves, and, as it were, eats them away, so that no tree extremity, stand it ever so still, nor any other form coming against bright sky, is truly drawn by a photograph; ...
— The Elements of Drawing - In Three Letters to Beginners • John Ruskin |
