AN IMPROVED BLOCK FOR GUARD RAILS ETC. MOORE & PAULUS' FASTENING BLOCK FOR GUARD' RAILS SWITCH RAILS AND FROGS. AN IMPROVED AUTOMATIC CAR BRAKE. New Steamers for the New York Trade. Nickel Plating. Levy's Hydroplastic Process. (Weer Fancy of a Collector. AN IMPROVED CLUTCH FOR WAGON BRAKES. DILGER'S BRAKE LEVER. AN IMPROVED WRENCH. GIBSON'S WRENCH. DE COAR & %EAST'S AUTOMATIC CAR BRAKE., scientific american, 1888-07-07
AN IMPROVED BLOCK FOR GUARD RAILS ETC. MOORE & PAULUS' FASTENING BLOCK FOR GUARD' RAILS SWITCH RAILS AND FROGS. AN IMPROVED AUTOMATIC CAR BRAKE. New Steamers for the New York Trade. Nickel Plating. Levy's Hydroplastic Process. (Weer Fancy of a Collector. AN IMPROVED CLUTCH FOR WAGON BRAKES. DILGER'S BRAKE LEVER. AN IMPROVED WRENCH. GIBSON'S WRENCH. DE COAR & %EAST'S AUTOMATIC CAR BRAKE., scientific american, 1888-07-07
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