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 25
cumference of AB required for a pattern; draw the linesCI and DJ, cutting the centre at E. Edges for folding or lapping to be allowed, drawing thelines parallel to CI and DJ, as shown by the dotted lines. Obs.—The term altitude denotes perpendicular height;as from G to K in Fig. 2. CAN TOP OR DECK… … ■<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…
Metal-work
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
![An illustration from Nicolai Copernici Torinensis De reuolutionibus orbium coelestium, libri VI : Habes in hoc opere iam recens nato, & aedito, studiose lector, motus stellarum, tam fixarum, quàm erraticarum, cum ex ueteribus, tum etiam ex recentibus obseruationibus restitutos: & nouis insuper ac admirabilibus hypothesibus ornatos. Habes etiam tabulas expeditissimas, ex quibus eosdem ad quoduis tempus quàm facillime caculare poteris. Igitur eme, lege, fruere. [Line in Greek] (1543)](https://img.insideoutlibrary.com/img/200/ia-nicolaicopernici00cope-187-103.webp)
