The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 114
REFERENCE TO THE LETTERS. Claws or holder for the rope. Bar for forcmg open the claws, in order to liberate the rope, or pre-vious to taking hold of it. Lower part of claw s, which works against the bar B. Small wheel (ixcd upon fore axle of carriage to elevate the fork. Lever over which the wheel…
Architecture · Civil engineering · Science
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