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Scientific American, Vol. 86, No. 21 (1902) (1902)
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no possibility that an accident from the ends of each yard to the mast supporting it the crossarm. It may be noted that Prof. Von. Halle, to a crane would entail a complete suspension of are diagonal wire-rope guys. The yards are supported ot Berlin, Germany, who recently made a study of… … A Pair of Overhead Traveling Cranes, HANDLING MATERIAL IN SHIPYARDS. © 1902 SCIENTIFIC AMERICAN, INCInternet Archive · Public domain (published before 1931). Free to use for anything.
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