STEAM ENGINE GOVERNOR. IMPROVED CAR COUPLING. MULLER'S IMPROVED CAR COUPLING. IMPROVED BARBED WIRE FENCE. Economy in Drop Forging. IMPROVED TIRE TIGHTENER. FRICTION ROLLER BEARING. DABOLL'S FRICTION ROLLER BEARING. RODES' IMPROVED TIRE TIGHTENER. DE WALT'S IMPROVED BARBED WIRE FENCE. PERRINE'S STEAM ENGINE GOVERNOR., scientific american, 1885-03-28

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