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 401
an arc tillit meets a line drawn parallel to the axis in I. From/, on theline gk, set offfg and fh, each equal to Jcl. gh is the minor axis. 38o SOLID GEOMETRY Construct the ellipse (Prob. 181, Plane Geometry). Thisellipse is the H. trace of the inclined cone. Four T. planes can be drawn in… … Fig. 178. circle internally, and two externally. We will take the onemarked H.T., and find its corresponding V.T. From c draw coparallel to H.T. Draw a perpendicular to XY at o till it meetsa horizontal line from c in o. Draw a line through o till itmeets H.T. on XY. This is the V.T. The other V.…
Geometrical drawing
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