The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 92
it ascends, and thereby, considerably frees the machine fromany jerk in starting; and also when working a lighter ram, the chaincan be coiled upon a larger diameter of the cone, and the speed is in-creased, in the same ratio as the weight is diminished. When piling in a straight line, the plate for… … Figr. 3.—Swivel guide pulley. The machine is driven from the steam-engine, by a pulley of 4 feet10 inches diameter, making 35 revolutions per minute, which givesmotion to the pulley. A, figs. 1 and 2, of 3 feet 6 inches diameter,causing the shaft and cone to revolve with a velocity of 4S-33…
Architecture · Civil engineering · Science
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