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 484
strated inPart IL, only the lines that determine these points are drawn PROJECTION OF SHADOWS 463 radiating from the projections of the luminous ;point, instead ofparallel to the projections of the given ray. A few problems will suffice to illustrate this principle. Peoblem 212. To determine the… … Draw lines from L through the points e\ h, c, d till theymeet XY in the points E, B, D, C. Draw Imes from L through the points c, d, c, d till they meetprojectors from the points E/ B/ D/ C in the points E, B, D, C.Join these points, as shown. 464 SOLID GEOMETRY Problem 213. To determine the…
Geometrical drawing
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