Stewart, Balfour, 1828-1887 · Toronto : James Campbell · leaf 34
te an upward pressure to the other, butthe whole upward pressure is proportional to thesurface of the piston; so that if the one piston hasthree times the surface of the other, it will be drivenup with a pressure three times as great, and so on. 20. Water Press.—Now this is z very valuableproperty… … Fig. 8. which we wish to squeeze as much together as pos-sible, in order that they may occupy little space whencarried about from one place or country to another.You see also two pistons—a large and a small piston— ihe large piston having one hundred times the area 24 SCIENCE EKIMERS. [PROrnRTIES…
Physics
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