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 28
of necessity be. It will be clearly seen that by slidingNo. 3 along No. 1, lines at right angles tothe direction of the line of pipe can bedrawn at any desired point. It has takenquite a few words to explain this method,simple as it is, and it is a good exampleof the difficulties in carrying on a… … Method of Drawing Lines Perpendicular to Each Other at Right Angles. 25 26 MECHANICAL DRAWING FOR PLUMBERS following our instructions very close at-tention, if he is to get full benefit.fromhis study.However, we try to make our explana- position of No. 2, and the line C D Willbe the line desired.…
Plumbing · Mechanical drawing
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