Farrow's military encyclopedia : a dictionary of military knowledge . ught-iron; the mllr handspike, forcasemate carriages. It is made of iron, 1 imhround, the point conical, whole length IM inchiS. HANDSPIKE RINGS. The (,n llie trailtransoms nf ;;uii-. for the handspike,by which theyare inaneu\ered. HAND TRAVELING CRANE.—The most satisfac-tory const ruction of this crane, us exhibited in theengraving, has the mechanism attached to one endof the bridge so that the operator is somewhat re-moved from the load, thus adapting it es]iecially tofoundry use. The bridge is arranged to tra
Farrow's military encyclopedia : a dictionary of military knowledge . ught-iron; the mllr handspike, forcasemate carriages. It is made of iron, 1 imhround, the point conical, whole length IM inchiS. HANDSPIKE RINGS. The (,n llie trailtransoms nf ;;uii-. for the handspike,by which theyare inaneu\ered. HAND TRAVELING CRANE.—The most satisfac-tory const ruction of this crane, us exhibited in theengraving, has the mechanism attached to one endof the bridge so that the operator is somewhat re-moved from the load, thus adapting it es]iecially tofoundry use. The bridge is arranged to travellengthwise upon the longitudinal tracks, and thetrolley to move transversely upon the bridge, so thatthe entire rectangiilar space between the tracks iscovered by the i-rane. Cranes of this design areliuilt of any desired capacity up to 10 tons, and ofany span. The crab containing the operating me-chanism is permanently secured to the under side oftlie bridge at one end, and is located entirely belowil, ...j lli:it llii- liriilM 1:111 111 |il:irrd clu-r to the. Trav eter of the wheel is six feet. The hand sling-cartis designed for moving light weights and siege-piecesin the trenches by hand. The weight is raised byfirst attaching to it a sling, and then applying to theslug the hook upon the rear of the , by raisingthe pole of the cart. The pole is used as a lever,the axle and wheels being the fulcrum. It may bensed for any weights not exceeding (Inrrisnn Slhi(]-<trt and Sling-cnrt. HANDSPIKE.—A wooden or iron lever, flattenedat one end and tapering towards the other, used in plinir-criino. underside of roof or ceiling. The trolley travels upontracks on top of the bridge, and its sides extenddownward close to the bridge, with the chainsheaves contained between them, thus giving themaximum amount of hoist. The Weston tixed-cable system is employed to effect the squaring ofthe bridge and its lougiludinal motion upon the i overhead tracks. The
Size: 1813px × 1378px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade188, booksubjectmilitaryartandscience
