. Material handling cyclopedia; a reference book covering definitions, descriptions, illustrations and methods of use of material handling machines employed in industry . Steam Locolnotive Crane Handling Bottom-dump Bucketin Concrete Construction Work Steam Locomotive Crane Handling Paving Blocks in Dump Wagon with Fall Block, Hoisting Hook, and Chain Grab Hooks 188 HOISTING MACHINERY. : /CRANES 189 an effective radius ranging from about IS ft. to 40 ft. Thehoist line may, however, be payed out beyond the end ofthe boom and used to drag an object within lifting range. The various parts of the
. Material handling cyclopedia; a reference book covering definitions, descriptions, illustrations and methods of use of material handling machines employed in industry . Steam Locolnotive Crane Handling Bottom-dump Bucketin Concrete Construction Work Steam Locomotive Crane Handling Paving Blocks in Dump Wagon with Fall Block, Hoisting Hook, and Chain Grab Hooks 188 HOISTING MACHINERY. : /CRANES 189 an effective radius ranging from about IS ft. to 40 ft. Thehoist line may, however, be payed out beyond the end ofthe boom and used to drag an object within lifting range. The various parts of the structure are so arranged asto give maximum stability to the machine, but, in addition,these cranes are provided with outriggers which may beused on either side and on some cranes with others at theends and with rail clamps as well. Many of the various lifting devices used with other typesof hoisting machines may be used on wrecking cranes butgenerally these cranes are provided with special types ofhooks, slings, and other accessories adapted for wreckingservice. They generally are steam operated, the power being ob-tained from a steam boiler and engine carried on therotating structure. In some cases, particularly when acrane is to be used in tunnels or subways, they are equippedfor electric operation, taking their power from a third rail;through a flexible conductor cable and
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Keywords: ., bo, bookcentury1900, bookdecade1920, booksubjecthoistingmachinery
