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 448
ane of reference. From a onah set off ae equal to ac. Then fg is the major and ce the HORIZONTAL PROJECTION 427 minor axis of the ellipse forming the plan of the base. Drawthe ellipse (Prob. ISl, Plane Geometry), and complete the projec-tion of the cone. Find the elevation of p, as p. Draw a line… … Fig. 227. Draw a projector from H till it meets a horizontal line from hin H. Then H is the H. trace of a line containing the vertexB and the given point P. From H draw a tangent to the semicircle, touching it in T.Draw a line from T, parallel to ab, till it meets the projectionof the base in t.…
Geometrical drawing
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