Mechanical drawing : a manual for teachers and students (1902)
Cross, Anson Kent · Boston : Ginn & Co. · leaf 49
. See T, Fig. 13- 40. Views of a Box and Pyramid. — Fig. 14 is a perspectiveof a tin box with its cover opened backand resting on the surface that supportsthe box. A square pyramid is centrallyplaced on the top of the box, the edgesof its base being at 45° to those of thetop of the box. The view… … WORKING DRA WINGS. 41
Mechanical drawing
Internet Archive · Boston Public Library · Public Domain Mark 1.0. Free to use for anything.
