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 214
D. The same proportions are usedfor square heads and nuts. In all these formula; D expressesthe diameter of the bolt. Fig. 351 shows the conventionalmethod of representing a hexagonalnut for a 2 bolt, The height of thenut is equal to 2. The two viewsmay be drawn similar to the twoviews of a… … Fia. :i45.
Mechanical drawing · Machine design
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