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 92
Fig. 69. Lag ScrewV Thread Fig. 70. Variation ofSquare Thread the Sellers or United States standard thread, an enlarged drawingof which is shown in Fig. 71. Referring to this figure, we see that 80 MACHINE DRAWING »- fM> or PITCHA = £ or d
Machinery
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