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 103
e the given elbow; draw the line AB at rightangle to BF; draw the line EF ; describe the semicircleAGB ; divide the semicircle AGB into any number ofequal parts; from the points draw lines parallel to BF, asI, 2, 3, etc. .a. 80 TIX, SHEpT-IPvOX AND COPPER-PLATi: WORKEPw.% Set off the line ABC (Fig.… … t-g- 95- AGB (Fig. 94) : from tlie points draw lines parallel to BE,as I, I, 2, 2, 3, 3, etc.; make BE equal to BF (Fig. 94);make AF and CD equal to AE ; also, each of the parallellines bearing the same figures as i, i, 2. 2, 3. 3, etc. Then a line traced through the points will form the pat-tern.…
Metal-work
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