. Mechanical appliances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical movements, powers and devices" ... including an explanatory chapter on the leading conceptions of perpetual motion existing during the past three centuries. 508. Plan with fig-ured measures andscale. 509. SUBMARINE CABLE GRAPNEL. With removable prongs for easy repair. By an\ overstrain, by the prong catching in a rock or* other obstruction, the small rivet, B, will shear offand release the prong. Four prongs to each grap-
. Mechanical appliances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical movements, powers and devices" ... including an explanatory chapter on the leading conceptions of perpetual motion existing during the past three centuries. 508. Plan with fig-ured measures andscale. 509. SUBMARINE CABLE GRAPNEL. With removable prongs for easy repair. By an\ overstrain, by the prong catching in a rock or* other obstruction, the small rivet, B, will shear offand release the prong. Four prongs to each grap-nel, ^luch used in the repair of defective orbroken submarine cables. •>>. \ NAVIGATION, VESSELS, MARINE APPLIANCES, ETC. 20I 510. SUBMARINE CABLE GRAPNEL. Cutting and holdinggrapnel. The cable on being hooked and lifted forces its way through the rubber shield, K, which is provided to keepthe mechanism clear from stones, sand, etc.,while towing over the bottom, and becomesinclosed in the jaws of the hinged clip. Asthe strain increases the hinged clip shearsthrough a leaden bolt, H, which supports it,and, moving upon its pivot, is forced down thetapering sides which press the sides of the cliptogether so as to grasp the cable very greater the strain on the grapnel rope, themore the clips are forced dow
Size: 1569px × 1591px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorhiscoxgardnerdexter18, bookcentury1900, bookdecade1910
