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 63
the same direction and at thesame angle. It is often the case thatthese sections are represented by differ-ent colors instead of section lines, the dif-ferent colors representing different piecesof the article in question. When section lines are used, and thedifferent sectioned parts are in contact… … Y\c^.6b. tion the working parts have been drawnplain, and not in section. The idea is al-ways to make any drawing show the ob-ject it is made to represent with thegreatest possible amount of clearness,.andit will be found in this case that the bibbis shown much more clearly by leavingthe working…
Plumbing · Mechanical drawing
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