Appleton's dictionary of machines, mechanics, engine-work, and engineering (1861)
Appleton, firm, publishers, New York. (1852, D. Appleton & Co.) · New York : D. Appleton · leaf 697
To make this theorem clearer, attach a number of pulleys to a vertical plane, such as an uprightboard, and carrying over them the lines which represent the forces, and attach weights to their ex-tremities, as in Fig. 1755. Then take any part A a on the string A m, and from a on the board, drawa…
Mechanical engineering
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