A textbook on mechanical and electrical engineering (1898)
International Correspondence Schools · Scranton : International Textbook Co., [1898-99] · leaf 426
Fig, 185. A bend at right angles, as shown in Fig. 18G, is verydestructive to the velocity. A rounded elbow, as shown inFig. 187, should be used, and the radius should be made aslarge as possible.
Electrical engineering · Mechanical engineering
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
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