Essentials of drafting; a text and problem book for apprentice, trade and evening technical schools (1918)
Svensen, Carl L. (Carl Lars), 1884- · New York, D. Van Nostrand company · leaf 85
es, switches, etc., and methods of makingadjustments. 68 ESSENTIALS OF DRAFTING Diagram Drawings are used by many concerns. These com-prise a sectional or external view of the whole of the machineupon which the parts can be numbered or named. Such a draw-ing frequently contains a list of the parts,…
Mechanical drawing
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