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 119
t,very accurate measurements are often required, and in the caseof a fit allowance for wear must be made. If a whole new machineor construction is to be built much time can often be saved byless accurate measurements, as the parts will be dimensioned togo together when the final drawing is made.… … m)//y//}///J//M^. m^z^/Mw//v,. Note center punchmarks Fig. 269 r/g. 267 dimensions of a taper are indicated by a single number and aname. Some Ideas on Sketching. — The difficulties which are to bemet and overcome when making sketches under trying circum-stances with limited time, inaccessability,…
Mechanical drawing
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