Machine drawing, a practical guide to the standard methods of graphical representation of machines, including complete detail drawings of a duplex pump and of a direct-current generator (1920)
Griffin, Charles Lewis, 1867- [from old catalog], Adams, Charles Clyde, 1882- [from old catalog] joint author · Chicago, American technical society · leaf 62
ao 3 s a o pq … 52 MACHINE DRAWING top and bottom of the teeth. At the point where the gear is inmesh with the worm, a portion of the rim is broken away, and themiddle section shown. The worm threads, which are lines in theform of helices, are shown in the drawing merely by straight lines,this being the…
Machinery
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
