"Tannin" Quotes from Famous Books
... cup furnishes a thin film like swan-skin which imbibes the sapid exudations from the stem, the source of nourishment. I have seen a young grub, hatched under my eyes, eat as his first mouthfuls this tender cottony layer, which is moist and flavoured with tannin. ... — Social Life in the Insect World • J. H. Fabre
... of animals are immersed in a strong solution of oak or hemlock bark, a chemical union takes place between the gelatin, of which the true skin is mostly composed, and the tannin of the bark. By this process leather is formed, and its peculiar markings are owing to the ... — A Treatise on Anatomy, Physiology, and Hygiene (Revised Edition) • Calvin Cutter
... his vicinity. At the end of the hour he found a small dead frog. It was very dry and shrivelled, but it was certainly a dead frog and would do to begin on. He took it home in his pocket. He wondered what they did first in stuffing dead animals. He'd heard something about "tannin'" them. But what was "tannin'," and how did one get it? Then he remembered suddenly having heard Ethel talk about the "tannin'" in tea. So that was all right. The first thing to do was to get some tea. He went to the drawing-room. ... — More William • Richmal Crompton
... paper is not suitable for bromide plates, since there are conditions of light in which the plates will be fairly rapid while the paper will be very slow. He gives a formula for a bromide paper, which is treated with tannin in order to absorb the bromine set free during exposure, otherwise the darkening would be very slight. I used this paper for a while, but found it rather slow. The tannin also turned brown on keeping for a week or so. I then made some more, substituting ... — Scientific American Supplement, No. 492, June 6, 1885 • Various
... altering radically an element of the natural walnut, which had a characteristic covering skin of bitter tannin over the meat inside the nut shell. For countless centuries walnut trees had been in the habit of covering the meat of their nuts with this tannin skin. Luther Burbank trained selected walnut trees to give up this fixed bad habit, and to produce nuts the meats ... — Certain Success • Norval A. Hawkins |