Official documents, comprising the department and other reports made to the Governor, Senate and House of Representatives of Pennsylvania . No. 2. GATUS CRUSHER. To dispense with this costly process, which could be done bythe use of dry raAV material, naturally required heavy crushingand grinding apparatus to handle the raw rocks, which took theplace of the wet clays, marls and chalks. The American manufac-turer was ready to grasp the mechanical appliances invented forthis purpose and used in this country. The Gates Crushers, seeCut No. 2, whicli had been used largely in the mining regions, we
Official documents, comprising the department and other reports made to the Governor, Senate and House of Representatives of Pennsylvania . No. 2. GATUS CRUSHER. To dispense with this costly process, which could be done bythe use of dry raAV material, naturally required heavy crushingand grinding apparatus to handle the raw rocks, which took theplace of the wet clays, marls and chalks. The American manufac-turer was ready to grasp the mechanical appliances invented forthis purpose and used in this country. The Gates Crushers, seeCut No. 2, whicli had been used largely in the mining regions, were
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Keywords: ., bookcentury1800, bookdecade1880, bookpublisherslsn, bookyear1887