Patent US Brake shoe lining grinding machine ...
Dec. 24, 1940. W. B. STONE BRAKE SHOE LINING GRINDING MACHINE 2 SheetsSheet 1 Filed Aug. 31, 1939 llllllllll lllllllllllllll Inventor iVzZlz''sfifflfozze. A tiomeys Dec. 24, 1940. w. B. STONE 2,225,806 BRAKE SHOE LINING ...