Stewart, Balfour, 1828-1887 · Toronto : James Campbell · leaf 32
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 a very valuableproperty… … Fig.8L 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-^the large piston having one hundied times the area 24 SCIENCE FKIMEKS. [PROPERTIES or…
Physics
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