Practical mechanical drawing and machine design self taught .. (1907)
Westinghouse, Charles. [from old catalog] · Chicago, F. J. Drake & co. · leaf 50
eys, the one turning on fixed centers, theother tumrag on traversing centers. THE MECHANICAL POWERS 4? The fixed or stationary pulley (Fig. 115). Thisacts like a lever of the first kind. It affords nomechanical advantage, and merely changes thedirectidfl of the force, and does not alter its… … r>
Mechanical drawing · Machine design
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
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