[NUMBER 12. VOLUME VII.) THE Scientific American, are hung so as to turn freely on the ends of the CIRCULATION 16,000. shaft, 29, of the main cylinder. The screwed PUBLISHED WEEKLY … viaduct 40 feet above low water over the them from the said machine or machines, and __ The accompanying engravings represent the and is caused by movements given to the Mahoning at itsmouth, and another viaduct. Self-Stiiiping Cardi achine, invented by. without requiring any manual aid—the opera-…
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