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Show Again, Leather From the 8ea. Considerable Interest Is at present being shown In, the possibility of utilizing utiliz-ing tho skins of sharks and porpoises for the making of shoe leather. The bureau of standards has completed arrangements ar-rangements to test the comparative durability of upper1 leather mude from shark mid porpoise skins as compared with that from calfskin and cowhide. The. co-operation of tho National Boot nnd Shoe Manufacturers' association has been secured In the making of the necessary shoes fur the test. It Is believed be-lieved thut the results of this Investigation Investi-gation will be watched with considerable consider-able Interest, Scientific American. |