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
ls thespace to be inked by anarrow margin, a slightturning of the inclinedpen towards the right be-tween the thumb and theindex finger will widen theresulting ink line andmake it fully adhere tothe two lines, thereby filling the space. Where ahorizontal shade line is tobe joined by anothershade… … result. For shade lines of medium strength the pen is set a tiifiewider, and the shade line ruled so close to the outline as to make itadhere there. The corners in such a case need special attention.In shading the straight tapering lines shown in Fig. 28, the edge ofthe rule is set parallel to the…
Mechanical drawing
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