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 26
■<S- 3- To describe a Can Top or Deck J^lange.—Ltt AB (Fig. 3) FRUSTUM OF A CONE. 3 equal diameter of can, or base of a flange; CD diameterof opening in the top; FG altitude. Produce AC and BDuntil they meet at E; with E as centre, and the radii EDand EB, describe the curves IJ and HK ; set off… … To describe a Pattern for, or an Envelope for a Frustumof a Cone.—Describe the right angle ABE (Fig. 4) ; makeBD the altitude; draw the line CD at right angle to BE;make AB equal one-half the diameter of the large end, CDone-half the diameter of the small end ; draw a line cuttingthe points A and…
Metal-work
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
