![]() The better grades of balls have covers of alum-tanned horsehide front leather. (See also Vegetable Tanning.)īaseball Leather: Leather used for covers of baseballs. ![]() ![]() A specific gravity of 1.000 is equivalent of 0 deg barkometer (Bk), and each addition degree Bk is equivalent to an increase of 0.001 in specific gravity.īark Tanning: So-called because tannin extracted from the bark of various trees is usually used. The staple material for bag and case leather at present is leather made from the hides of animals of the bovine species, but heavy sealskins and goatskins are also used.īal: A laced shoe in which the quarters meet and the vamp is stitched over the quarters at the front of the throat.īarkometer: A hydrometer used for determining the specific gravity of tanning solutions. It does not include the light leathers employed for women’s fancy handbags. Rub Roll apron leather is a flexible but firm, dry, strong leather.Īspergillus Niger: One of the most common mold growths found on vegetable-tanned vats and on leather, usually greenish or blackish in color.īag Leather: A general term for leathers used in traveling bags and suitcases. Comber and Gill Box apron leather is soft, mellow, tough leather, tanned from steer hide, heavily stuffed and boarded or otherwise softened. (See also Davey Tip.)Īniline Finish: A clear finish with little or no pigmentation.Īlligator-grained Leather: Leathers of various types, such as calf, sheep, or side, embossed to resemble the grain of alligator hide.Īpron Leathers: Any one of several varieties of leather used in connection with textile machinery and blacksmith aprons. Acceptance of a Lot: The approval of a lot as conforming to a contract or specification, or both.ĪLL-Around-Turn-Back: A type of welt used in work gloves, in which the welt extends far enough out from the seam to permit a portion of it to be turned back over the finger or thumb.
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