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 52
w CF perpendicular to BC and through Cdraw CC perpendicular to CF, and with F as centre andradius equal to the given length, describe an arc cuttingCC in C\ Join FC; then CC is the height of thehood which we need. If the height of the hood is giveninstead of the length FC, make CC equal to the… … ig. 40. BB perpendicular to BG and equal to the height andjoin GB. To draw the pattern of the hood : Draw FC (Fig. 40)equal to FC-(Fig. 39) ; through F and C draw BC andBC, each perpendicular to FC; make FB equal to FB (Fig.39) ; make FC equal to FC (Fig. 39) and CB equal to CB(Fig. 39). Join BB…
Metal-work
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