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 29
n, and by solidblack sections, giv-ing circular orsquare shape ofsuch wires or rods,where this reinforce-ment appears incross-section. Thereinforcement is thus allowed toPort Longitudinal Section C-D. stand out bold and FS- 47- clear; the concrete itself is represented in light, broken, diagonal… … shaded, so as to avoid any of its compounds, such as sand andgravel, being mistaken for concrete. The symbol for sand can
Mechanical drawing
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