A textbook on mechanical and electrical engineering (1902)
International Correspondence Schools · Scranton : International Textbook Co. · leaf 463
ent is expert at reading drawings, he will experience no difficulty in applying thevarious principles that have been given for producingdevelopments of surfaces. C>^, Employment of Modified Metliods.—In produ-cing the developments given in the last three problems,the triangles are not always… … Fig. 35 that just described—at least, not until the principles arefirmly fixed in his mind. As the drawings from which suchdevelopments are made are often too large to permit the pro-jection of the triangles in the manner shown, the construc-tion given in Fig. 35 is often applied. In this figure…
