A practical work-shop companion for tin, sheet-iron, and copper-plate workers ... with numerous valuable receipts and manipulations for every-day use in the work-shop (1904)
Blinn, Leroy J. [from old catalog] · Philadelphia, H. C. Baird & co. · leaf 27
ng to be allowed, dravvmg theUnes parallel to HF and IG. When the work is to be riveted, punch the holes for therivets on the lines HF and IG. When the work is to be wired, or a flange laid off. itmust be allowed as shown by the dotted lines over the arcHI. OVAL. To describe a pattern for a… … cude, draw the line DF at right angle to BC ; make DFequal to AB in Fig. 5 : make AB equal to DF and the taperrequired on a side, draw a line cutting the points A andD, and the Ime BC. On any right line, as AB in Fig. 7, with the radii CDand CA, describe the arcs EF and CD, set off EF equalf-o EBF…
Metal-work
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