Spanton, J. Humphrey (John Humphrey) · London, Macmillan and Co., Limited; New York, The Macmillan Company · leaf 39
S. 25 Bisect the angle BEF —- 30. To draw a line bisecting the angle between two given converging lines AB and CD, when the angular point is inaccessible. /\ From any point E in AB,draw a line EF parallel toCD. by the line EG. At anypoint H between E and B,draw HL parallel to EG.Bisect EG and HL in… … l-ig- 57- Draw any convenient lineFG; join A^FandAC. Drawany line HK parallel to FG.At H draw the line HLparallel to FA, and at Kdraw the line KL parallel toGA, cutting each other at L.Draw a line through L andA ; AU is the convergentline required. Circles. 32. To find the centre of acircle. Draw…
Geometrical drawing · Design · Drawing
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