Modern mechanism, exhibiting the latest progress in machines, motors, and the transmission of power, being a supplementary volume to Appletons' cyclopaedia of applied mechanics (1892)
Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 193
er is quite low, the elevation of liopperbelow upper tumliler tieing oidy 20 ft. above water-level, {lie ladder is in one section, sup-ported upon axis in tower, and varies in length to the use of dredge in attacking new banksor in deepening channels. The buckets are of iron, wrought in one piece,… … FiG. 1.—Dovetailing-machine. DREDGES AND EXCAVATORS. 179 wheels. These gear-wheels connect through two other gear-wheels to the upper turabler-shaft,thus •iviti^ a positive power, and when the machine is dredging in rock no slipping occurs,as in a beltconnection. The engines are 180 horse-power in…
Mechanical engineering
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