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 430
Fiff. 206. Fiff. 207. Join E/. Then E/e is 6 of the line of intersection between Zand Z\ 3. Let Z and Z be the two given planes (Fig. 207). We know from the preceding problem that the intersectionof lines drawn from corresponding indices and perpendicular toeach scale of slope will give points in…
Geometrical drawing
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