Essentials of drafting; a text and problem book for apprentice, trade and evening technical schools (1918)
Svensen, Carl L. (Carl Lars), 1884- · New York, D. Van Nostrand company · leaf 129
rrods. Forgings, however, require careful consideration as therough forging may weigh from 25 % to 50 % more than the finishedpiece, especially if the shape is at all complicated. CHAPTER XVPIPING Piping Materials. — Pipe made of various materials is usedfor conveying liquids and gases. For a… … Tee
Mechanical drawing
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