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 104
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. Edges… … A98 7 § ^43 EiB FI?. q6. with F as a centre, describe the arc GL; divide the arcGL into four equal parts; draw the lines FH and FJ ; also^the line JH ; draw the line AB at right angle to BC ; de-scribe the semicircle AMB; divide the semicircle into anynumber of equal parts ; from the points draw…
Metal-work
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