Blessing, George F. (George Frederick), 1875-1921, Darling, Lewis A. (Lewis Andrew) · New York, J. Wiley & sons; [etc., etc.] · leaf 109
MECHANICAL DRAWING AND DRAFTING ROOM PRACTICE 89 2. Method of dimensioning a series of holes equally spacedaround a circle. Note that the holes are spaced each side ofthe vertical and horizontal center Hues, and not on these centerlines. Group C shows conventional uses of broken or dashed lines…
Mechanical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
