Rogers' drawing and design; an educational treatise relating to linear drawing; machine design; working drawings; transmission methods; steam, electrical and metal working machines and parts; lathes; boiler and parts; instruments and their use; tables, etc (1913)
Hawkins, N. (Nehemiah), 1833- · New York, T. Audel · leaf 206
read cutting tool is then set to its properangle. Before proceeding to cut the thread, the tool ismoved close to tiic work, so as to trace a fine lineupon the surface of the cylinder when the machineis put in motion ; the fine spiral produced upon thesurface of the cylinder in this manner, is the… … ROGERS DRAWING AND DESIGN. 229 Draw the elevation of the cylinder ABCD aboveits bottom view i, 2, 3, etc., Fig. 331. The eleva-tion ABCD may be four inches high, that is equalto two complete turns of the helix. Lay off the pitch from the point A upon the lineAB equal to A 12 and 12 B. Divide the…
Mechanical drawing · Machine design
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