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 80
to the circumference of the pipe AB; erect thelines AD, BE and CF; set off on each side of BE thesame number of equal distances, as in the semicircle CED ;from the points draw lines parallel to BE, as i i, 2 2, 3 3,etc.; make AD, BE and CF equal to AC (Fig. 71) ; also,each of the parallel lines,… … 8 9 10 C To describe a Pattern for a T Pipe at any Angle.—Drawthe line AE (Fig. 73); erect the line AB, the anglerequired ; also, the line ED parallel to AB; make BDequal to the diameter of the Pipe ; describe the semicircleBCD; draw the line FG parallel to BD; divide the semi-circle into any…
Metal-work
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