Cooke, Josiah Parsons, 1827-1894 · Boston, Little, Brown and Company · leaf 355
2); one at the top ofthe piston, b, covering theholes perforated throughit; and, finally, one at thetop of the cylinder, c, cov-ering the aperture which opens into the atmosphere. The piston-rod passes through a packing-box, 6, in which it moves air-tight,and the power is applied to the piston-rod… … Kg. 302. THE THREE STATES OF MATTER. 331
Matter · Heat
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