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 349
n hori-zontal line AB, and inclined at an angle of 30° with theH.P. Fig. 144. Let ah, ab, be the projections of the given line. Produce ah till it meetsXY in c. Draw a projectorto c till it meets ab pro-duced in c. Prom c drawthe line cd, making anangle of 30° with XY.With c as centre, and… … Fig. 144. Problem 114. To determine the traces of aplane containing a givenline AB inclined to hothlolanes of projection, theplane to he inclined atcm angle of &0° with theH.P. Pig. 145. Let ah, ah, be the pro-jections of the given line. Draw the projector aa,and produce ah till it meetsXY in…
Geometrical drawing
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