A textbook on mechanical and electrical engineering (1902)
International Correspondence Schools · Scranton : International Textbook Co. · leaf 54
res should not be inked^ in until the pencil construc- tion is done accurately. Thepreliminary directions for thisplate are the same as for thepreceding ones. \B Problem 16.—To inscribea regular pentagon in agiven circle. Construction.—In Fig. 49,from (? as a center, with thedividers set to If,… … 40 GEOMETRICAL DRAWING §13