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Stone Crushers Applicationss

STONE oRUsHER. APPLICATION FILED MAY 7, 1,914. 1,1 38, 101 Patented Mar. 23', 1915. ... I find also that stone crushers employing grinding rollers or faces which move directly toward and away from each other are more apt to become clogged or broken than those wherein there is a lateral movement of one face with respect to the other. rlhis last ...