Five hundred and seven mechanical movements (1903)
Brown, Henry T. [from old catalog] · New York, Brown & Seward · leaf 115
ding-pistons, <:, c^ to move in and out in obedi-ence to form of cam. Water enters and isremoved from the chamber through ports,L and M ; the directions are indicated byarrows. Cam is so placed that each pistonis, in succession, forced back to its seatwhen opposite E, and at same time… … Mechanical Movements. Ill 457. Common mode of raising water fromwells of inconsiderable depth. Counter-balance equals about one-half of weight to beraised, so that the bucket has to be pulleddown when empty, and is assisted in elevatingit when full by counterbalance. 458. The common pulley and…
Mechanical movements
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