Adjustable Heads for Gear-Cutting and Slotting on Lathes. STARCH ARROWROOT SAG AND TAPIOCA. FORREST'S COMBINATION CAR WHEEL. Railway Bridge Excitement in Hamburg. PARKER'S GEAR-CUTTING ATTACHMENT FOR LATHES., scientific american, 1867-08-31
Adjustable Heads for Gear-Cutting and Slotting on Lathes. STARCH ARROWROOT SAG AND TAPIOCA. FORREST'S COMBINATION CAR WHEEL. Railway Bridge Excitement in Hamburg. PARKER'S GEAR-CUTTING ATTACHMENT FOR LATHES., scientific american, 1867-08-31
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