w 'A TRANSMISSION OF POWER. qr .4 Asbestos Sectional Pipe Coverings. Non-Conducting Coverings for Steam and Hot Water Pipes Boilers etc. H. W. JOHNS MANUFACTURING COMPANY Asbestos Roofing Etc. Crocker-Wheeler Electric Co. ELECTRIC MOTORS ACKNOWLEDCED TO BE THE STANDARD FOR ALL HICH CLASS WORK WHERE POWER IS REQUIRED. 430 WEST FOURTEENTH STREET NEW YORK. ELECTRO VAPOR ENGINE. GAS OR GASOLINE FOR FUEL. NO ENGINEER. THOMAS KANE & CO. CHICAG ILL. TEAM:RICAINLVITIZIN:C 95 MILK ST. BOSTON MASS. THE HUB FRICTION CLUTCH ESTA BLISHED 1846. The Most Popular Scientific Paper in the World T H E PRINTING


w 'A TRANSMISSION OF POWER. qr .4 Asbestos Sectional Pipe Coverings. Non-Conducting Coverings for Steam and Hot Water Pipes Boilers etc. H. W. JOHNS MANUFACTURING COMPANY Asbestos Roofing Etc. Crocker-Wheeler Electric Co. ELECTRIC MOTORS ACKNOWLEDCED TO BE THE STANDARD FOR ALL HICH CLASS WORK WHERE POWER IS REQUIRED. 430 WEST FOURTEENTH STREET NEW YORK. ELECTRO VAPOR ENGINE. GAS OR GASOLINE FOR FUEL. NO ENGINEER. THOMAS KANE & CO. CHICAG ILL. TEAM:RICAINLVITIZIN:C 95 MILK ST. BOSTON MASS. THE HUB FRICTION CLUTCH ESTA BLISHED 1846. The Most Popular Scientific Paper in the World T H E PRINTING INKS., scientific american, 1892-11-05


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