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 79
58 PRACTICAL PLANE GEOMETRY chap. Problem 81.Within a given circle to inscribe three equal semicircleshaving adjacent diameters.Find centre of circle A (Prob. 33). Draw the diameter BC, and tlie radius AD perpen-dicular to it (Prob. 5). Trisect theangle BAD in E and F (Prob. 14).Set off DG equal to…
Geometrical drawing
Internet Archive · Wellesley College Library · Public Domain Mark 1.0. Free to use for anything.
