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 472
parallel to E till they meetprojectors from B and C in B and C. Find the shadows of theother edges in the same way, and join them as shown. PROJECTION OF SHADOWS 451 Pkoblem 205. To determine the shadow on both j)lcincs of jjrojeetion, and line ofscixiration, of a given verticcd octagonal cone, the… … Fig. 255. the vertex, as follows. Draw a line from b parallel to E till itmeets XY in B. Draw a line from b parallel to E till it meetsa projector on B in B, and cutting XY in c. Draw a projectorfrom c till it meets bB in c. Then B is the H.T., and c theV.T. required. Draw lines from B till they…
Geometrical drawing
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