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 52
thinking, and the manipulation becomes mechanical.For this reason, he goes on to say, a drawing to be inkedshould never be sectioned in pencil first, otherwise the result,is likely to be as bad as if one were to write his name with apencil and then try to go over the lines with ink. Hence it can be… … -44 Notes on Practical Mechanical Drawing Where more than two surfaces are contiguous to oneanother it is customary to use 30° or 60° Hnes to distinguishthe third surface, but these angles are not resorted to unlessit is necessary. Sometimes contiguous surfaces, especially when large,are…
Mechanical drawing
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