Spanton, J. Humphrey (John Humphrey) · London, Macmillan and Co., Limited; New York, The Macmillan Company · leaf 91
the sides of which shall bear acertain ratio. For example, let AB : BC as 2 : i. Pro- D duce AB to D, and bisect the / ^, angles ABC and DBC bylines meeting AQ and ACproduced in H and E.Bisect the line HE in K(Prob. i). With K as centre,and KE as radius, draw thecircle EBH. Now, if wetake any point… … 78 GEOMETRICAL DRAWING AND DESIGN. 121. To divide a right angle into five equal parts.
Geometrical drawing · Design · Drawing
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