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 110
A///ffS8 7 6 S f 32/B F\g: 102. at K, and trace a line from L to K. This completes Sec-tions Nos. 4 ar^d 5. This completes the patterns. When ELBOWS. 87 elbows are to be of heavy iron and riveted, punch theholes for the rivets on the lines FE, GH, JI and LK, allow-ing for the lap each side on… … 88 TIX, SHEET-IRON AND COPPER-PLATE WORKER. equal the small end of the elbow ; draw the lines BK andA], and continue the lines until they intersect at I; de-scribe the semicircles AB and JK ; divide the semicirclesinto the same number of equal parts ; from the points drawlines, as i, 2, 3, etc. On…
Metal-work
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