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 38
ruled in by equally spaced lines somewhat lighter thanthe general outlines, and in the case of this exercise, slightlyless than one-sixteenth of an inch apart. 16. Detailed directions for penciling and inking Exercise No. 10. This is an exercise in the tangency of circular arcs. Itis a cross… … 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
Mechanical drawing
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