Mechanical drawing; a treatise on the drawing of mechanical and machine details (1920)
Jones, Franklin Day, 1879-1967 · New York, The Industrial press; [etc., etc.] · leaf 123
Fig. 15. Other Examples of Symmetrical Cross-sectioning cases, where the distance between the holes is made equal tothe diameter of the circle of drilling regardless of projection.At A is shown the true projection, which is misleading. At Bthe holes are shown dotted, the centers of the holes being… … Machinery Figs. 16 and 17. Cross-sections of a Handwheel— Sections of a Flange havingEqually Spaced Holes SECTIONAL VIEWS III true distance apart.This is a correct repre-sentation and is oftenused when none of theholes are on the planeof the section. Key-ways and pins will beconsidered in the…
Mechanical drawing
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