Industrial drawing and geometry; an introduction to various branches of technical drawing (1911)
Spooner, Henry John, 1856- · London, New York [etc.] Longmans, Green, and co. · leaf 161
Fig. 475.—Section on line e/. Fig. 476.—Sectional elevation. Fig. 477.—End elevation. more divisions of its length, breadth, or thickness, the overall (sum of its parts) dimensions should be shown; indeed, insome cases it saves time in reading a drawing (when it gets into the works) if important… … UNIT = c/ + ^ ; in SKETCH OF KEY PosirroN OF sunk kcSECTION eF 2 TAPER OF KEYINCH PER FOOTOF LENGTH
Mechanical drawing · Geometrical drawing
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