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 89
THREADS Screw and Nut. If we cut a groove around a cylinder in theform of a helix, we shall have what is called a screw thread, the threadbeing formed by the material which is left between the successiveturns of the helical groove. A cylinder having such a helical groovecut around it is called a…
Machinery
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
