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 83
equal in length to the t AtOS876S432igl2345e789lOc Fig. 76. circumference of the collar AB; erect the perpendicularlines AD, BE and CF; set off on each side of BE the same … fir- 77- PIPES. 61 number of equal distances as in the semicircle; from thepoints draw lines parallel to BE, as i, i, 2, 2, etc. ; makeAD, BE and CF equal to AC and BD (Fig. 75); also,each of the parallel lines bearing the same figures, as i, i,2, 2, 3, 3, etc.; then a line traced through the…
Metal-work
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