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 162
N -Tit-—/J-—- il^J. I FiGS. 480, 481.—Sectional elevation and end elevation of casedbutt coupling. \^^,■..,-^■^-.^w-^-^■■-■~■■~^k^||>.-w^^^^^^^^ Pig. 482.—Section of drum or barrel of hoistingmachine. … Fig. 483.—End elevation. 250. How to measure the Diameter of a Large Cylindrical Body.—If you had a pair of calipers large enough, the diameter of a bodysuch as the rough drum, Figs. 482, 48.3, could be accurately measured, but your small pocket calipers would not be large enough forthe purpose.…
Mechanical drawing · Geometrical drawing
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