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 34
ii___.i2:.^l_„/ 26 Notes on Practical Mechanical Drawing cases, the dots marking the angles, or those crossing soHdlines or meeting to end at solid lines, can well be made longerthan the dots of the rest of the line, even by twice the length-Dotting, in brief, should clearly define the forms by…
Mechanical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
