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 113
drawn in that way, that is, at 60 degreeswith the horizontal. The lines of pipe shown at C, D, M andN are parallel with S-T and E-F, and aretherefore drawn horizontally with thetee square. The lines of pipe shown by G, H, Pand R being on the work itself parallelto A-B and K-L are drawn parallel,… … v\&.\5\ Mechanical Drawing for Plumbers. Sketch Showing a Heater and its Piping. MECHANICAL DRAWING FOR PLUMBERS 111
Plumbing · Mechanical drawing
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