Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 155
524. WELL PULLEY AND BUCKETS.—Buckets are balanced empty. 525. SWAPE, OR NEW ENGLAND SWEEP.—A very ancient as well as modern method ofraising water from wells. The weighted endof the pole overbalances the bucket, so as todivide the labor of lifting the water. 526. PARALLEL MOTION for doublepiston…
Mechanical movements
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