The sheet-metal worker's guide : a practical handbook for tinsmiths, coppersmiths, zincworkers, etc., comprising numerous geometrical diagrams and working patterns, with descriptive text (1888)
Crane, W. J. E. (W. J. Eden) · London : Lockwood and Son · leaf 93
81 OBLONG ARTICLES. required, as in Fig. 81, and the body as in Figs. 80 and 82. Describe the right angle A b c (Fig. 82) ; make B E the altitude ; draw the line d e at right angles to B c ; make d g equal to a b in Fig. 81, and the taper required on a side ; draw a line cutting the points A and d… … Fig. 81. Fig. c D, and, in Fig. 80, a and b as centres, cut the lines c i and d j as at i and J ; with i and j as centres, describe the arcs a h and b f, also the arcs c G and d e ; set off A h and b f, equal to c b in Fig. 81. Draw the lines g h and e f, cutting the centres at i and j. e3
Sheet-metal work
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