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 208
Fig. 333. Fig. 33:3. Fig. 334. 232 ROGERS DRAWING AND DESIGN. of thread wound around it. Generally the double-threaded screw is defined as one having two paralledthreads. A screw having three parallel threads iscalled a triple-threaded screw. Double-threadedscrews are shown in Figs. 338 and 339.…
Mechanical drawing · Machine design
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