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 97
al Rules. — To dimension a drawing successfully theconstruction of the pattern, machining, fitting, and putting to-gether of the machine must be gone over. It is necessary to keepconstantly in mind the person to whom the drawing is addressedand the purpose for which it is to be used. 80 ESSENTIALS… … — Q- r;g 192 v////////////. 1 * 1 ^//////V//// [-— L —A F/g. 190 Fig. 191 Fig. 193
Mechanical drawing
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