A textbook on mechanical and electrical engineering (1902)
International Correspondence Schools · Scranton : International Textbook Co. · leaf 454
JUNE25.Je93. … -lEKv Engineer Company.served. JOHN SM/TH, CLASS N? 4529. § 16 DEVELOPMENT OF SURFACES 53 developing the triangle A £ JJ, Fig. 31, which is the correctdevelopment of the surface A E B, Fig. 29. The adjacent triangle £ B F, Fig. 31, may next be con-structed. Since B F is equal to BE, Fig. 29, an arc…
