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 64
o one side of the top or smallest end; draw thelines AG and BG, cutting the points AC and BD; with Gas a centre and the radii GC and GA, describe the arcs KMand JI; set off on the arc JI, JA, BH, and HI equal inlength to AB, and draw the lines JG, HG, and IG, also,the lines JA, BH, HI, and KG, DL,… … - L F? 52- AB at right angle to EF; draw the line CD parallel toAB; make AB equal in length to one side of the base;make CD equal in length to one side of the top or smallerend; draw the lines AC and BD; C and D as centres, witha radius equal to one-half the difference of the two ends,as from B to…
Metal-work
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