Machine drawing; a text and problem book for technical students and draftsmen (1921)
Svensen, Carl L. (Carl Lars), 1884- · New York, D. Van Nostrand company · leaf 29
/^bur imperfecf fhreods i fu// af roofs [-« .30 yX-—.P3 y\* Complefe fhreods .69 Fig. 35. Enlarged Section of 2\ Pipe Thread. Pipe threads have an angle of 60°, and have the top and l^ottom of theV rounded. The threads are cut on a taper of three fourths inch perfoot. The form is shown in Fig. 35.…
Machinery
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