Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 39
s to be drawn. Irregular Curve. One of the conveniences of a draftsmansoutfit is the French or irregular curve, which is used for drawing curvesother than arcs of circles, with either pencil or line pen. This instru-ment, which is made of wood, hard rubber, or celluloid—celluloidbeing the best—is… … Fig. 32. Irregular Curves draw the line through them. Now shift the curve so as to includea few more points and so on until the curve is completed. It fre-quently facilitates the work and improves its appearance to draw afree hand pencil curve through the points and then use the irregularcurve,…
Architecture · Building
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