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 34
K~—J fc— 19 ->K- 19 Lower Casting.Fig. 63. shading curved objects on the dark side may beresorted to, as shown in our illustrations, Fig. 63, SECTION A-B. … HORIZONTAL SECTION. A.
Mechanical drawing
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