A textbook on mechanical and electrical engineering (1902)
International Correspondence Schools · Scranton : International Textbook Co. · leaf 381
of the cuttingplane A E\ s s and t tare found as above de-scribed, the section linesbeing indicated in thefigure by short cross-hatching. Project the sideelevation as in formerproblems. The student may at thecompletion of the drawingon the plate erase all theconstruction lines exceptthose… … §15 PRACTICAL PROJECTION 99 PROBLEM 27 100. To i>roject views of a sphere intei*sected bya cylinder. When the position of these two solids is such that the axisof the cylinder passes through the center of the sphere, asshown in perspective in Fig. 55, the line of intersectionis shown in a right…
![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-325-217.webp)
![An illustration from Works. Popular edition.] 2 series (1886)](https://img.insideoutlibrary.com/img/200/bl-bl_003191336_9-314-1.webp)
