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 291
stem E F. If the valve is closed as in I., the ground facesa a and c c oi the valve are in contact with the ground facesbb and dd oi the seat. The steam, entering at D, pressesthen the entire bell-shaped valve about as much up asdown, and the force necessary for lifting it is but small.When…
Mechanics, Applied · Mechanical engineering
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