No Boiler. 33000 SOLD. No Engineer. OTTO GAS ENGINE WORKS PHILADELPHIA. P'' NEW YORK Inventions and Novelties Developed. STEVENS PATENT SPRING CALIPERS 3. STEVEN N ARMS &TOOL CO. HARRISON CONVEYOR! HYDRO-CARBON BURNER For Burning Crude Petroleum Forging Tempering and Welding Anneal to equip plants with our improved system. Standard Oil Fuel Burner , scientific american, 1893-04-08


No Boiler. 33000 SOLD. No Engineer. OTTO GAS ENGINE WORKS PHILADELPHIA. P'' NEW YORK Inventions and Novelties Developed. STEVENS PATENT SPRING CALIPERS 3. STEVEN N ARMS &TOOL CO. HARRISON CONVEYOR! HYDRO-CARBON BURNER For Burning Crude Petroleum Forging Tempering and Welding Anneal to equip plants with our improved system. Standard Oil Fuel Burner , scientific american, 1893-04-08


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