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 446
ector gg. HORIZONTAL PROJECTION 425 Then fli is the major, and ge the minor axis of the ellipseforming the projection of the base of the cylinder. Draw theellipse (Prob. 181, Plane Geometry). From a draw cdi parallel to the given line cd (Prob. 160).Draw ^K perpendicular to ah. From a draw a line… … Fig. 226, and a line ah (parallel to the given line), with the plane of thebase. To construct this line on to the plane of reference. Withcentre lo, and radius HI, draw an arc till it meets ah in L. Drawa projector from L till it meets a horizontal line from / in L,Join Z/L, which is the line hi…
Geometrical drawing
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