A textbook on mechanical and electrical engineering (1902)
International Correspondence Schools · Scranton : International Textbook Co. · leaf 98
np.9 Fi^.ll. J-AJrVARV /4, /e3!^ For notice of copyright, see page … Tiediately following the title page. jrO^^ 37yTITJ<. CLA^^JV945e9. § 13 GEOMETRICAL DRAWING 69 the curve of intersection is always a straight line, no matterwhat angle the two axes make with each other. Fig. 3 shows a symmetrical three-jointed ell)o^v formedby the intersection of three…
