Water versus Wood Pressure

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“The vessel a is fitted with a wooden bock of the same size as, and free to move in, the cylinder; the vessel b is filled with water, whose depth is the same as the length of the wooden block in a. When a pressure is applied to a, the pressure will be transmitted to the bottom unchanged. However, when the same pressure is applied to b, the pressure is transmitted everywhere, as the molecules of water are free to move.” —Hallock 1905


V. I. Hallock I.C.S. Refrence Library (Scranton: International Textbook Company, 1905) 8:2


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