Spanton, J. Humphrey (John Humphrey) · London, Macmillan and Co., Limited; New York, The Macmillan Company · leaf 176
same point o draw theline ^B at an angle of 30° with XY. With o as centre, andradius <?A, draw an arc till it meets ^B in B. Draw the HneBC perpendicular to XY. With 0 as centre, and radius oC^draw an arc till it meets ok. mp. Draw the projector pp tillit meets a horizontal line drawn from B in… … Fig. 293. and on the v.p., the vertical trace (v.t.). The inclination ofplanes is determined by means of these traces. ORTHOGRAPHIC PROJECTION. 163 We will take the same piece of cardboard that we have usedfor our previous illustrations and place it on the H.P. andparallel to the V.P., as A (Fig.…
Geometrical drawing · Design · Drawing
Internet Archive · Wellesley College Library · Public Domain Mark 1.0. Free to use for anything.
