Duck or canvas. So called because it sheds water. Heavy, close, cotton fabric. Strongest ducks have double warp yarn. Made to specification for Army and Navy uses. Bleached, unbleached, dyed or printed. Sold by weight as 8 ounce or 10 ounce meaning I yard weighs 8 or io ounces. For clothing, launders well with starch. Weights: 8, io, 12, 14 up to 25 ounces. Uses: Heavy grades for tents, awnings, boat sails, tarpaulins, aprons and belts in machinery; lighter weights; outing suits, middies, physicians' coats, interne's uniforms, cook's coats, waiter's and butcher's aprons (black and white check for cook's pants), press cloths used in tailoring.
