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 30
OVAL. 7 To describe a Pattern for a Tapering Oval Article^ to bein Two Sections.—Describe the bottom, the length andbreadth required as in Fig. 8 ; then describe the body as inFigs. 9 and lo. Describe the right angle ABC, Fig. 9 ; make BE the alti- … tude, draw the line DE at right angle to BC; make DEequal to AB in Fig. 8 ; make AB equal to DE and the taperrequired on a side, draw a line cutting the points A and D,and the line BC. On any right line, as AB in Fig. 10, with the radii CEand CL, describe the arcs EF and CD; set off EF equal 8 TIN,…
Metal-work
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