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Mechanical drawing. Elementary and advanced (1910)

Reid, John S. (John Simpson), 1856- · New York, J. Wiley & sons; [etc, etc.] · leaf 78

An illustration from Mechanical drawing. Elementary and advanced, 1910, leaf 78 — ; No. 4, a single left-hand V thread;No. 5, a double right hand square thread; No. 6, anythread of small diameter; No. 7, any thread of very smalldiameter. The true methods for constructing these threadsare explained on pages 99-101, Figs. 137—139. In No. 6. the short wide line is equal to the… … it ntj

Mechanical drawing · Drawing instruments · Lettering

Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.

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