Hobart, H. M. (Henry Metcalf), 1868-1946 ed · Philadelphia, J. B. Lippincott · leaf 61
Po p, Pulley. Incline Haulage … of the usual starting-switch and fuses^ Thesystem is suited both for the level and forinclines. In the second system, illustrated having two drums, one taking the load ropeand the other the balance rope, and arrangedso that as one drum takes in the other paysout (see fig. 3). At the end of the load…
Electrical engineering
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