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 99
/=/g. J99 Fig. BOO Fig. 202 a pump valve, and Fig. 203 a cylinder head. They areall similar pieces and the dimensions are located in the sameplaces on each. In the three figures the similar dimensions areindicated by the letters A, B, C, etc. By observing such methods a system of dimensioning can be … f/n/sh a// Oi<er Fig. 20/ employed which will save a great deal of time and many mistakesand omissions. It is seldom necessary to repeat the same dimen-sion on a drawing. Drilhng is generally best located in theview where it shows in plan, that is, in the view where it is laidout. Diameters are…
Mechanical drawing
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