BURNHAM'S SELF-ADJUSTING SWING CHECK VALVE; Users of Check Valves will please note the advantages theseValves possess wears the yoke that passes around the seat moves away from the seat in proportion to the wear of the Disk thus causing a uniform wear o f the Disk until said Disk is completely worn out. arzsraz-xra-fah 33FLCIP 'Wbverfitsemenfo. WORKING MODELS Roofing Building Felt Fire Proof Paints Cements Etc. 175 Randolph St. Chicago 1 170 N. 4th St. PNladelphIA HARRIS-CORLISS ENCINE PATENTS. Braebington iHON REVOLVERS PERFECTLY BALANCEb Ras Fewer Parts than any other Blower. CONNERSVILLE


BURNHAM'S SELF-ADJUSTING SWING CHECK VALVE; Users of Check Valves will please note the advantages theseValves possess wears the yoke that passes around the seat moves away from the seat in proportion to the wear of the Disk thus causing a uniform wear o f the Disk until said Disk is completely worn out. arzsraz-xra-fah 33FLCIP 'Wbverfitsemenfo. WORKING MODELS Roofing Building Felt Fire Proof Paints Cements Etc. 175 Randolph St. Chicago 1 170 N. 4th St. PNladelphIA HARRIS-CORLISS ENCINE PATENTS. Braebington iHON REVOLVERS PERFECTLY BALANCEb Ras Fewer Parts than any other Blower. CONNERSVILLE IND. STEAM ENGINES. &TRIGYGLES WORK SHOPS WITHOUT STEAM POWER BY USING OUTFITS OF Barnes' Patent Foot Powe Rockford Ill. Address No. 1999 Main St ‘ PIPE COVERING. CHALMERS-SPENCE CO. 416421 Eighth St. hew York. ROOFINC (EHRET'S PREPARED.) Cornell University COURSES LEADING TO DEGREES. Mechanical Engineering Mathe matics Civil Engineering Arts Analytical Chemistry History and Political Science Philosophy Science Science and Letters. 15 and Sept. lb 1585. AMIRICAN 281 CO. 95 MILK ST. BOSTON MASS. The Scientific American. THE MOST POPULAR SCIENTIFIC PAPER IN THE WORLD. Published Weekly $ a Year; $ Six Manths. 'X' MI MI Scientific American Supplement. PRINTING INKS ICE . MACHINES 50 Tons per Day ECONOMICAL SIMPLE RELIABLE. Send for Circulars. Delamator Iron Works 16 Cortlandt St. Cushioned Hammer. TBUESQUARE ELASTIC BLOW Full Line of Sizes. Vnn Dasen's Pat. Loose Puller Once, 1885-08-29


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