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 320
. The traces of planes inclined to one or both planes are notsupposed to finish at XY ; they are indefinite, and are generallyproduced a little beyond XY. ORTHOGRAPHIC PROJECTION 299 Peoblem 80. To find the traces of the following planes. Scale \ full size.Fig. 106. A,3 X 2iperpendicular to the… … Fig. 106. and at an angle of 60° with XY. From a draw ae 2^ long.Then ab is the H.T., and ac the V.T. of A. From any convenient point d draw df 3f long, and at anangle of 45° with XY. From d draw de If long. Then de isthe H.T., and df the V.T. of B. Take any point g on XY, and draw gh 4| long at an…
Geometrical drawing
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