Practical mechanical drawing and machine design self taught .. (1907)
Westinghouse, Charles. [from old catalog] · Chicago, F. J. Drake & co. · leaf 112
ll clearance space between thetwo halves of the. pulley at the hub, the latter maybe tightened on to the shaft so firmly by meansof the bolts that no key is necessary. Wrought-Iron Pulleys. A great number ofwrought-iron pulleys are now made, and they pos-sess several important advantages over… … Fig. 197—Split Pulley. only because wrought-iron has a greater tenacitythan cast-iron, but because if a wrought-iron pul-ley should burst, it will not fly to pieces like a cast-iron one, since cast-iron is so much more brittlethan wrought-iron. Wrought-iron pulleys can bemade of any diameter…
Mechanical drawing · Machine design
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer04inte-441-209.webp)
