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 33
Fig. I I. Fig. 12, in Two Sections.—Describe the bottom, the length andbreadth required as in Fig. ii, then describe the body as 10 TIN, SHEET-IRON AND COPPEK-PLATE WORKER. … F£ S- OVAL. 11 in Figs. 12 and 13 ; describe the right angle ABC, Fig, 12 ;make BE the altitude, draw the line DE at right angle toBC; make DE equal to FC in Fig. 11 ; make AB equal toDE and the taper required on a side; draw a line cuttingthe points A and D, and the line BC. On any right line, as…
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-232-141.webp)
