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 312
a¥. This is the vertical pro-jection of the line. Prom h draw hh perpendicular to XY. With h as centre,and radius 5A, draw a semicircle. This forms the plan of the xxiii ORTHOGRAPHIC PROJECTION 291 semi-cone. From a draw aa perpendicular to XY. Join hawhich gives the horizontal projection of the… … .■a Fij?. 95. to VC. With V as centre, and radius Id, draw an arc cuttingXY in a. Having obtained the vertical projection of the line,the plan can be obtained as shown in the first method. Another Method. From A! draw the line Ah at the required angle, 50°. Ath draw the line Z)B at an angle of 30°…
Geometrical drawing
Internet Archive · Wellesley College Library · Public Domain Mark 1.0. Free to use for anything.
