Science and art drawing : complete geometrical course ; consisting of plane and solid geometry, orthographic and isometric projection, projection of shadow's the principles of map projection, graphic arithmetic and graphic statics (1895)
Spanton, J. Humphrey (John Humphrey) · London : Macmillan · leaf 449
by Prob. 165, the threegiven points being t, h, and jJ- Index the scale from the pointsp and h. 428 SOLID GEOMETRY Problem 188. The axis of a cone with its base inclined to the H.P. heing given, aslaell as the centre of a sphere, to determine the projections ofloth solids, ivith their point of… … Fig. 228. the plan of the sphere. Join B&, and through 5 draw cf perpen-dicular to it. Assume ef to be a ground line, and iind the elevations of thepoints a and c, working from the level of h, as ac (Prob. 162).Join etc. Construct these points on to the plane of reference,as AC, and find their…
Geometrical drawing
Internet Archive · Wellesley College Library · 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-325-217.webp)
