Notes on practical mechanical drawing, written for the use of the students in general engineering drawing in the University of Illinois (1907)
Wilson, Victor Tyson, 1864- [from old catalog] · State College, Pa., The author · leaf 39
30 Notes on Practical Mechanical Drawing Draw the vertical center line first, then the centers forthe arcs designating the web, then the crown of the rail, and Exercise No. 10 … the base and so on, locating centers in the penciling carefullyby free-hand circles around the intersections of the con-struction lines. Put the dimensions on practically whereshown on the sketch. Curves and Straight Lines Combined, and Sections 31 When ready to ink, put in the small arcs ^^ith the…
Mechanical drawing
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