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 534
lines radiatingfrom a, as ac, ad, and ak are called the isometric axes. Pkoblem 241. To determine the isometric projection of a rectangular solid12 X IV X 4f : the E.F. to he 1 Fig. 293. First construct an isometricscale (Prob. 240). The divisions,showim^ inches, on the scale ofreal length will… … Fig. 293. 5H SOLID GEOMETRY lines from c and d perpendicular to the tee-square. Draw linesIroni c and & parallel to ad, and from 5 and d parallel to ac, withthe 30 set-square. Peoblem 242.To draw the isometric projection of a circle. Fig. 294. Let ahdc be a circle drawn geometrically. Inscribe…
Geometrical drawing
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