The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 131
ing the cable ; a a, shows a portion of theframe side ; b, a plate boiled thereon, which carries one end of an horizontalshaft c; upon this shaft is firmly fixed the working lever d, and also an arme, to the extremities of which are attached one end of the connecting links//, the other ends being… … Fig. 4. temate link ; the intermediate links of the chain pass into a groove: J, is alever moving upon an axis n; to this lever is attached one end of cross bar o,which takes into the teeth of the ratchet wheels; p, is a friction band forretarding the motion of the barrel when letting out the…
Architecture · Civil engineering · Science
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