Water Pressure

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“Suppose a number of vessels, of different shapes and sizes to have a communication between them, by means of a small tube, passing from the one to the other. If, now, one of these vessels be filled with water, or if water be poured into the tube A, all the other vessels will be filled at the same instant, up to the line B C. Therefore, the pressure of the water A, balances that in 1, 2, 3, while the pressure in each of these vessels is equal to that in the other, and so an equilibrium is produced throughout the whole series.” —Comstock, 1850


J. L. Comstock A System of Natural Philosophy: Principles of Mechanics (: Pratt, Woodford, and Company, 1850) 104


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