Leather for Base Balls,There are two factories in Philadelphia that use up in a season 100 horse hides a week each to cover base balls. They are alum-tanned.One hide will furnish covers for ten dozen No. 1. balls and live to eight dozen inferior ones. Horse hides for this purpose sell from 32.50 to £4 each, as to size. Kips are also used. They soil at 14 cents a foot and sheepskin $3.50 to $3 a dozen.The best regulation balls sell at $1.25 to si.50 each. A piece of rubber form the center, around which yarn is wound by hand. Then they are covered.They are ‘‘dead balls, and won’t bounce.”—8hoe and Leather Reporter.