Mechanical drawing : a manual for teachers and students (1902)
Cross, Anson Kent · Boston : Ginn & Co. · leaf 122
Fig. 45., <iBRA^^^ 114 MECHANICAL DRAWING. PLATE II. Fig. 46. Front and left side views^ and development of an equilateraltriangular prism, placed horizontally and so that the side view is a tri-angle. The side view gives the real shape of the triangle and should be drawnfirst (Art. 135). The…
Mechanical drawing
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![An illustration from Transcendental magic : its doctrine and ritual / by Eliphas Lévi [pseud.] ; a complete translation of "Dogme et rituel de la haute magie" with a biographical preface by Arthur Edward Waite. (1896)](https://img.insideoutlibrary.com/img/200/wellcome-wellcome_b24884339-88-1.webp)
