Spanton, J. Humphrey (John Humphrey) · London, Macmillan and Co., Limited; New York, The Macmillan Company · leaf 179
; they are indefinite, and are generallyproduced a little beyond XY. ORTHOGRAPHIC PROJECTION. 165 217. To find the traces of the foUowing planes. Scale ^ full size. Fig. 297. A,3 X 2^ perpendicular to the H.P. and inclined to the v.P. at 60°.B,3rxif „ „ v.P. „ „ H.P. „ 45°- C,4^X3 inclined „ H.P.… … Fig. 297. From any convenient point <-/ draw ^/ 3I long, and at anangle of 45° with XY. From d draw de if long perpendicularto xy. Then de is the H.T., and t/f the V.T. of B. Take any point ^ on XY, and draw o-/i 4I long at an angleof 60° with it. From // draw /Ik perpendicular to XY ; andfrom…
Geometrical drawing · Design · Drawing
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