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 397
el to the axis of A. As there are four T. planes there must be four lines of con-tact. We will take the one belonging to the plane the H.T. ofwhich is shown by the line lit on plan. This touches the ellipsein/. Draw the projector//. Then dYa.wfk,fk, parallel to theaxes. These give the lines gk, gk,… … Fig. 175 Peoblem 145. To determine the traces and line of con-tact of a T.P. to a given riglit cone ;to touch the cone in a given point.Fig. 175. . Let A and A be the projections ofthe given cone, and a, a, of the givenpoint. Draw the lines cd, cd, through thegiven point. Draw the H.T. tangentialto…
Geometrical drawing
Internet Archive · Wellesley College Library · Public Domain Mark 1.0. Free to use for anything.
