Blueprint reading; a practical manual of instruction in blueprint reading through the analysis of typical plates with reference to mechanical drawing conventions and methods, the laws of projection, etc (1919)
Fairfield, Howard Parker, 1858-, Kenison, Ervin, Waite, Edward B. (Edward Broughton), 1873-, American Technical Society · Chicago, American technical society · leaf 233
Fig. 119. True Length of Inclined Line not Shownin Its Projections
Mechanical drawing · Blueprinting
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.