A textbook on mechanical and electrical engineering (1902)
International Correspondence Schools · Scranton : International Textbook Co. · leaf 327
Fig. 25 the required angle of 45° to V P. Next, produce the eleva-tion in {c) by drawing primary projectors from the elevationin {b) and intersecting them by primary projectors drawnfrom corresponding points in the plan in {c). These opera-tions are precisely similar to those used in producing… … PROBLEM 13.Ca5e/. -^-^ PROBLEM 14-.Case/.