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 296
, Front, and End of Body 140 MECHANICAL DRAWING 75 true projection, usually called third-angle projection, and is themethod used by practically all draftsmen in this country. First-Angle Projection. There is, however, a method calledfirst-angle projection, used but little now in this country,… … Fig. 97. Body and Its First-Angle Projections brings the front view, or elevation, above the top view, or plan,the end view being at the right of the front view. Fig. 97 showsthis method of first-angle projection. Comparison of Third- and First-Angle Projection. Perhaps ashort explanation will make…
Mechanical drawing · Blueprinting
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
