AN IMPROVED WRENCH. KRAFT'S WRENCH. AN IMPROVED TRACTION ENGINE. portion of mankind is still hungry for the incompre A SHIFTING DEVICE FOR ELEVATORS. FLEMMING'S ELEVATOR SHIFTING DEVICE. THE LOVELL DIAMOND CYCLE. A leading feature in these bearings is that in the STOUT'S TRACTION ENGINE. THE LOVELL DIAMOND CYCLE., scientific american, 1893-02-25
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