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 323
a line at an angleof 60° with it till it meets the perpendicular on c in h. With cas centre, and radius cd, draw the semicircle def. Join fh.Then dcf \b the plan, and/5V<^ the elevation of a semi-cone. From c draw the line eg perpendicular to dh. With c ascentre, and radius eg, draw a circle.… … ORTHOGRAPHIC PROJECTION 303 radius cJi, dra^Y the semicircle Itkl. Join al. Then hal will bethe plan, and Ikh the elevation of another semi-cone. From (c draw the line am, tangential to the semicircle/(;(^;i.e. the base of the vertical semi-cone. From h draw the line &m tangential to the…
Geometrical drawing
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