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 97
ne ABC (Fig. 87) equal in length tothe circumference of the cylinder CE (Fig. 86) ; erect tl.eperpendicular lines AD, BE aiui CF; set off on each sideof BE the same number of equal distances, as in the semi-circle CDE (Fig. S6); from the points draw lines parallelto BE; make BE equal to BE (Fig.… … Fig. To describe a Pattern for a Pipe to fit two Flat Surfaces,as the Roof of a Building.—I.Qt ABC (Fig. 88) equal thepitch of a roof; let DF, IH, be the pipe; draw the lineBG parallel to HF; draw tlie line DF at right angle toHF; describe the semicircle DEF ; divide one-half of thesemicircle into…
Metal-work
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