A textbook on mechanical and electrical engineering (1902)
International Correspondence Schools · Scranton : International Textbook Co. · leaf 376
Fig. 48 objects that are familiar to all sheet-metal workers; namely,pipe angles {a), elbows {b), Ys {c), and Ts {d). The sameis also true of similar moldings mitered in a plane inwhich the true length of all members of such moldings maybe shown. The line of intersection may always be found insuch…
