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 318
fulcrum X may be raised or lowered at pleasure. Tliislever carries the end F oi the valve stem FR in grooves,so that by the motion of the lever the end /^ moves simplyback and forth in the direction FR. If the lengths ofB E = B^ E^ are very large with respect to C B and XE,we can assume that the… … motion of any point F will be less than that of E in theratio of X F to X E. If, therefore, s is the distanceNB = L E, which the valve travels when moved directlyby the eccentric B, we shall have for the distance OF, OF X FXE LE, 306 HEAT, STEAM, AND STEAM ENGINES. [§461. or y s, = — s,c if we…
Mechanics, Applied · Mechanical engineering
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