Appleton's dictionary of machines, mechanics, engine-work, and engineering (1861)
Appleton, firm, publishers, New York. (1852, D. Appleton & Co.) · New York : D. Appleton · leaf 398
DREDGING, AND DREDGING-MACHINES. 389 … 390 DREDGING. AND DREDGING-MACHINES. or by putting both ropes or chains the same way round these barrels, they will both act in pulling thevessel in the same direction. It should be named that there is a friction-sheave placed between thspropelling machinery and the steam-engine, similar to that…
Mechanical engineering
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