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 75
g the samefigures, as 2, 3, 4, etc. ; make KG and HE equal to DE(Fig. 64); then a line traced through the points B, i, 2,3, 4, etc., and KHF will form the pattern for a Miter Joint. When there is to be an offset or projection at right angles,let AB (Fig. 66) be the depth of the offset or projection… … f^g 67- OCTAGON. 53 Cover.—Describe a circle that will cut the required Octa-gon (Fig. 67) ; draw a line that will cut the centre of twosections, as AI; erect the perpendicular line HF; letABCDEFJ be the given top or cover; divide the curvedlines BC and EF into any number of equal parts; fromthe…
Metal-work
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