Spon, Ernest, Haldane, Robert, Lock, Charles G. Warnford (Charles George Warnford), 1853-1909 · London ; New York : E. & F.N. Spon · leaf 100
Pumps — Water. 88 ring reaches the stop c, which is so cumference of the thicker part, but at arranged that at this point the bucket the same time lets down a portion hangs directlv over the centre of the equal to that of the thinnei", conse- well. Ou still further slackening the quently the weight… … is illustrated in Fig. 27, and consists cor J (1, the bucket continues to descend, but in a jierpendicujar direction, to the Fig. 27. hvel of the water. When filled, it is simply hauled up. A great stej) in advance of the pulk'V, for lifting heavy weights, is the wind- lass, a cylinder made to…
Workshop recipes · Technology · Industrial arts
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
