Spanton, J. Humphrey (John Humphrey) · London, Macmillan and Co., Limited; New York, The Macmillan Company · leaf 173
present theline to be projected. The edgesD^and ^W represent the hori-zontal projectors, and the line Xdd its horizontal projection.The point d is its vertical trace. Fig. 289 represents the co-ordinate planes opened outinto one flat surface. The pro-jections below XY represent Fig. 289.the plans… … Fig. 290. (Fig. 290). In the first case we will incline it to both planes, withone of its shorter edges resting on the H.P. and parallel to the v,P i6o GEOMETRICAL DRAWING AND DESIGN. Let the edge AB represent the Hne to be projected. aB is itshorizontal, and ad its vertical projections. Then…
Geometrical drawing · Design · Drawing
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