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 90
Fig. 63. Accurate Construction for Double V Thread cylinder KL, the diameter of which is equal to the diameter AOminus twice the depth of the thread. Now, on this smaller cylinder,starting at point H, perpendicularly under a point on the line ACwhich is half way from A to C, draw the helix LHJ with…
Machinery
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
