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 190
Fig. 15^ i^ Fig. 165. inches long, make a profile of work intended, and on one endof this piece make a die of the desired shape; to this must … Fig. 166. Fig. 167.be fitted a plunger, allowing the thickness of iron to inter-
Metal-work
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