Mechanical drawing for plumbers; a concise, comprehensive and practical treatise on the subject of mechanical drawing (1910)
Starbuck, R. M. (Robert Macy), 1844-1927 · New York, The Norman W. Henley publishing co. · leaf 21
the three branches of the traptoo far apart, as shown in the incorrectsketches, and the middle part shouldthe center to either of the lines, the curveneither be quite vertical, nor on too muchof a slant. Speaking of the curves re-minds us/ that a little instruction is.needed on the proper manner of…
Plumbing · Mechanical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
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