The technic of mechanical drafting a practical guide to neat, correct, and legible drawing (1904)
Reinhardt, Chas. William (Charles William), b. 1858 · New York, The Engineering News Pub. Co. · leaf 24
ldhappen to be in need of an additional one, as, for instance, phos- phor-bronze, he may, by adding an appropriate set of lines (per- 4-z Coping Channel. 4^Copinq ,3xlZ°x7// ?%>I0Channel haps vertical) tothe symbol givenforbronze,evolvethereby anew dis-tinction and stillindicate its… … density of those materials.Similar instances mightbe quoted, where a likeexpedient can be adoptedFor all ordinary purposes,however, the w rite rdeems the tables givencomplete in every re-spect. The section lining onmetal surfaces shown inconjunction with masonrysections should be made about twice…
Mechanical drawing
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