. M. HOPKINS. pipe, C, hi which is inserted a discharge, as shown. The the tube uppermost, and alternately pressing in the The enormous pressure developed in a hydraulic pump cylinder is inserted in a crosstee, to opposite sides flexible covering and then drawing it outward. This press is a subject… … smaller vessel extending to the point, a, will be exactly counterbalanced by a certain weight placed on the flexi- Fig. 6. PRINCIPLE OF HYDRAULIC PRESS. Pig. ^-DEMONSTRATION OF PASCAL'S LAW. ble cover, as in Fig. 4. The weight required will be exactly that of a column of water of the diameter of…
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