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 68
qual to the slant height of thearticle, and draw the line CD parallel to AB : make ABequal in length to the longest side of the base ; make CDequal in length to the longest side of the top; draw thelines AC and BD ; make GH equal in length to the shortestside of the base; make JI equal in length to… … and MAN; set off BO and AN equal in length to EH,and draw the lines OR and NP at right angles to NB andNA ; also, the lines RD and PC at right angles to RO andPN. Edges to be allowed. 46 TIN, SHEET-IRON AND COPPEE-PLATL nORKER.
Metal-work
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