U. S. Patent No. 729398 ' BRISTOL'S RECORDING INSTRUMENTS. GOLD MEDAL ST. LOUIS EXPOSITION. and Shutters of every kind for all purposes; Amateur Process. Bausch & Lomb Opt. Co. T. A. 50 State Power Needs. CHARTER GAS ENGINE CO. Box 148. STERLING ILL. What Es Daus' Tip-Top? LEARN TO BE A WATCHMAKER BRADLEY POLYTEC HNIC INSTI3'UTE WATCH SCHOOL in AMERICA MILL The Greatest Pulverizing Machine in the World to-day is ground in the Griffin Mill. THE GRIFFIN MILL PULVERIZES MORE CEMENT THAN THE COM BINED OUTPUT OF ALL OTHER MACHINES USED FOR THIS PURPOSE. ation with no auxiliary apparatus. No other
U. S. Patent No. 729398 ' BRISTOL'S RECORDING INSTRUMENTS. GOLD MEDAL ST. LOUIS EXPOSITION. and Shutters of every kind for all purposes; Amateur Process. Bausch & Lomb Opt. Co. T. A. 50 State Power Needs. CHARTER GAS ENGINE CO. Box 148. STERLING ILL. What Es Daus' Tip-Top? LEARN TO BE A WATCHMAKER BRADLEY POLYTEC HNIC INSTI3'UTE WATCH SCHOOL in AMERICA MILL The Greatest Pulverizing Machine in the World to-day is ground in the Griffin Mill. THE GRIFFIN MILL PULVERIZES MORE CEMENT THAN THE COM BINED OUTPUT OF ALL OTHER MACHINES USED FOR THIS PURPOSE. ation with no auxiliary apparatus. No other machine made will do this. every standpoint. BRADLEY PULVERIZER COMPANY 92 State Street Boston WE GVARANTEE PARSELL CRUDE ASBESTOS DIRECT FROM MINES ROCHESTER N. Y. Experimental Electrical Outfits THE NEW PIERCE IS A VV'OPIDER PIERCE ENGINE COMPANY RACINE WIS. fS'TATI73ARD' Two=Speed Automatic Coaster Brake Hub THE STANDARD COMPANY — Torrington Conn. Spectaclesand Eyeglasses WARREN'S FOR TOOLS SAWS ETC. TOOLS, scientific american, 1905-08-26
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