A practical course in mechanical drawing for individual study and shop classes, trade and high schools (1912)
Willard, William Franklin, 1879- · Chicago : Popular mechanics company · leaf 91
Fig. 91 be so located as to give the greatest service. Fig. 90shows an isometric representation of a framing detail,and, although not in accordance with the orthographicworking drawing, shows to an untrained imagination MECHANICAL DRAWING 89 a better idea of the construction. Note the…
Mechanical drawing
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