A manual of the mechanics of engineering and of the construction of machines. Designed as a text-book for technical schools and colleges, and for the use of engineers, architects, etc. (1878)
Weisbach, Julius Ludwig, 1806-1871, Du Bois, A. Jay (Augustus Jay), 1849-1915, Buel, Richard H. (Richard Hooker), b. 1842 · New York. J. Wiley & Sons, 1878- · leaf 131
s opened until so much mercuryhas drained off, that above themercury remaining in the tubeA B a vacant space is left. Nowclosinof d, we can read from thescale between the two tubes thedifference of level h^ which meas-ures the pressure of the outer air.Now screw on above the cock a aglobe D, which… … § 395-] STEAM. 119 under these circumstances, the mercury vcv A B has sunk acertain height, b is closed, and the difference of level //,is again read off between the mercurial columns A B andB C. The tension of the air enclosed in D and A will bethe difference x = //, — }i„ between the first and…
Mechanics, Applied · Mechanical engineering
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