Mechanical drawing for industrial and high schools (1917)
Leeds, Charles Carley, 1870- [from old catalog] · New York, D. Van Nostrand company · leaf 48
Poini … CLASS Indusfrial name: John W.Roberts date. Nov.20-CS. Geometrical. Problems SCALE Full Size Dira. NO- C-10/3 LESSON No. 21. THE ELLIPSE.—Make a neat pencil drawing of an ellipse bythe three methods indicated, and of the elliptical curve shown onDrawing C-1014. Wlien drawing the ellipse, make the…
Mechanical drawing
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