THE ADVOCATE OF INDUSTRY, AND JOURNAL OF SCIENTIFIC, MECHANICAL, AND OTHER IMPROVEMENTS. NUMBER 41. NEW-YORK, JUNE 21,1856. VOLUME XI. THE IMPROVED INDEPENDENT CRANE. Scientific American, PUBLISHED WEEKLY … by means of a cast-iron or other metal cap or small soale. Our engraving shows the de- way of tension and compression. All vertical two open rings encircling the tower. Th orsocket, G, which fits upon the spindle, E. The sign for one of these cranes, which is to be pressure is received on the top…
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