Improvement in Overshot and Breast Wheels. 40. ROWELL'S PATENT DOUBLE-TEETH GEAR FOR CLOTHES WRINGERS ROLLING MILLS AND PLANERS. New Gold and Silver Ore Machinery. Purchase of St. Thomas and St. John. WEBSTER'S DAMPER DRUM FOR STOVEPIPES. BITDD'S REVOLVING BUCKET WHEEL., scientific american, 1867-12-14
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