The technic of mechanical drafting a practical guide to neat, correct, and legible drawing (1904)
Reinhardt, Chas. William (Charles William), b. 1858 · New York, The Engineering News Pub. Co. · leaf 28
necessary finish to the section, andmake it resemble the real material pretty closely. In gravel con-crete the gravel should of course receive rounded outlines, and canbe quickly constructed, as shown. For the placing of the heavyblack dots in cinder concrete a heavy lettering pen maybe used :each… … Section through Inflow Pipe.46. r: Draw sinuous courses, sometimes parallel, sometimes converging,the distance generally being equal to the desired size of the stones, those sides, when narrow open spaces should be left, analagous torules to be observed in making masonry sections. (Observe loam 25…
Mechanical drawing
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