Young, George, jr, Baxter, Hubert Eugene, joint author · New York, Macmillan · leaf 150
quare, slide the square ufh VII, § 116) CURVED LINES 131 wards. The upper half of the curve fi will be drawn. Thelower half may be drawn in the same manner, fastening thethread at h.^ II. By Establishing Points (§ 110, II). This is a specialcase of § 113, where the ratio n/m = 1. In this case the… … F.G. V. a the other point, and cd, the axis. Through c draw ii lineperpendicular to cd, and through o draw a line parallel to cd.Divide these lines into the sam^ number of equal parts, as shownby points 1-10. Connect c with 1, 3, 5, etc., and draw linesparallel to cd through 2, 4, 6, etc. The…
Geometry, Descriptive
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