A textbook on mechanical and electrical engineering (1902)
International Correspondence Schools · Scranton : International Textbook Co. · leaf 328
PROBLEM 14.CaseS. JUNK 25J8S3 Copyright, 1899, by THE COIAll right! … RV ENGINEKR COMIANY.ervpd. JOHAJ 3M/TH, CLASSA/?^S2S. § 15 PRACTICAL PROJECTION 63 drawings shown in Fig. 25 at (c) may be projected directlyto their proper position, thus producing the plan and frontelevation required. The side elevation is then projected bymeans of secondary projectors described…
