PROVES IT. CO. BELTING of Various Styles ELEVATORS CONVEYORS The JEFFREY MANUFACTURIND CO. COLUMBUS 0. SENT FOR EXAMINATION BEFORE PAYMENT $8 00 Pictures Weight of Camera 21 OZ. The American Bell Telephone Company 125 Milk Street Boston Mass. THE GRIFFIN fractory Substances. NO .JOURNALS IN GRINDING CHAMBER. BALL RIGID ON SHAFT HAVING DIRECT POSITIVE ACTION ON MATERIAL. MINIMUM POWER PRODUCES MAXIMUM AMOUNT OF PRODUCT. IT IS ABSOLUTELY GUAR ANTEED IN EVERY RESPECT BOTH AS TO CONSTRUCTION AND CAPACITY. FIRST COST WEAR AND FERENT MATERIALS WITH POSITIVE SUCCESS IN EVERY INSTANCE. 1895
PROVES IT. CO. BELTING of Various Styles ELEVATORS CONVEYORS The JEFFREY MANUFACTURIND CO. COLUMBUS 0. SENT FOR EXAMINATION BEFORE PAYMENT $8 00 Pictures Weight of Camera 21 OZ. The American Bell Telephone Company 125 Milk Street Boston Mass. THE GRIFFIN fractory Substances. NO .JOURNALS IN GRINDING CHAMBER. BALL RIGID ON SHAFT HAVING DIRECT POSITIVE ACTION ON MATERIAL. MINIMUM POWER PRODUCES MAXIMUM AMOUNT OF PRODUCT. IT IS ABSOLUTELY GUAR ANTEED IN EVERY RESPECT BOTH AS TO CONSTRUCTION AND CAPACITY. FIRST COST WEAR AND FERENT MATERIALS WITH POSITIVE SUCCESS IN EVERY INSTANCE. 1895 SCIENTIFIC AMERICAN INC., 1895-05-04
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