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 21
e need special attention.In shading the straight tapering lines shown in Fig. 28, the edge ofthe rule is set parallel to the outer edge of the intended shade lineand the heavier end isgenerally commencedwith. For circle shad-ing, the full shade line(see Fig. 31) is firstfilled in with the penof the… … Plan. Section A-B. Vertical Section. sharp corner in the shadim difficult to obtain otherwise, will Fig. 29The tapering ends, as indicated bydotted lines in the figure, are then put in freehand, by beginning ineither case from the ends of full lines and working the ink care-fully, while yet moist,…
Mechanical drawing
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