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 89
Fig. 173 by breaking the piece. The manner of breaking generallyindicates the form of cross section and material as in Fig. 169.The break is made free hand but should be carefully done. Thetwo sides should appear to match, that is, if the sectioning comeson the upper side of one half it should come… … Fig. 174 the other. A similar method of set in sections is often usedfor such conditions as are present with wrench handles, pulleyarms, brackets, hand wheels, and rods. Figs. 170 to 173 showsome examples. Location of Sectional Views. — When conditions permit, sec-tional views should be placed…
Mechanical drawing
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