Perspective and geometrical drawing : adapted to the use of candidates for second and third-class teachers' certificates (1887)
McGuirl, Thos. H. (Thomas H.) · Toronto, Ont. : W. Briggs · leaf 22
object, as distance; and describe a semicircle cuttinghorizontal line in in, k, or h on one side, and correspondingpoints on the other. The points where the semicircle cutsthe horizontal line, are called the measuring points, and aredenoted by RMP, LMP, according as they are to the right orleft of… … length take any point C.V. in it, and draw line L.D. from itat right angles. Make C.V. 0 = 6 feet, or whatever may bethe spectators height, and through 0 draw B.L. parallel toH.L.; produce C.V. O to S.P., so that O S.P. equals distance 20 DRAWING. of spectator from base line. Then with centre CSV.…
Geometrical drawing · Perspective
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