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 439
being containedby the line of intersection also. 2 E 4i8 SOLID GEOMETRY Peoblem 179. 1. To draw a ])lane. through a given line ah iKtrcdlel to a given line cd. 2. To drato a line perpendicular to two given lines inclined to each other and not in the same i^lane, e.g. the lines ah andcd. Fig. 219.… … Fig. 219. draw the scale Z perpendicular to it. Index the scale withfigures corresponding to the levels of h and e. This is the planerequired. 2. Find the inclination of Z as AK (Prob. 163). Determinethe elevation of d, as d, using Z as a ground line and workingfrom the level of h (Prob. 161). Draw…
Geometrical drawing
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