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 20
inner edgetrated and Fig. 23. of the outline. contrasted in Figs A striking instance, 16 which illustrates the advantage of shading the outside of objects isshown under Fig. 26. Very often a case may occur, that rivets, bolts, etc., are to beshown in elevation, where the surrounding parts are cut… … r A.(Correct.) B.(Incorrect.) Lu i
Mechanical drawing
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