Hale, Joseph W. L. (Joseph Woodwell Ledwidge), 1886- · New York [etc.] McGraw-Hill book company · leaf 229
d {U) and (A) and it can be seen that asthe head (//) moves down, the piece is compressed andthe load registered as before. 214 MECHANICS AND ALLIED SUBJECTS The system of levers is shown in Fig. 192 giving anoutHne of their arrangement. As the load is applied to the test specimen, it pushesdown on… … Fig. 193. and as the force at (D) pulls down on the end (F) oflever (FG), the end (G) tends to move up. The end (G)is kept balanced between (Y) and (F) by moving theweight (F) out along the lever. The object of thesystem of levers is merely to reduce the large load act-ing at (A) to a small load…
Mechanics, Applied
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