Drawing Concentric Arcs with Compass and Lengthening Bar
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“On horizontal center line mark off eight points 3/8” apart, beginning at right side of space.” —French, 1911
Keywords
compass, drawing arcs, compasses, Lengthening Bar, arc drawing, Drawing Concentric Arcs with Compass and Lengthening Bar, lengthening barsGalleries
Geometric ConstructionsSource
French, Thomas E A Manual of Engineering Drawing for Students and Draftsmen (New York, NY: McGraw-Hill, 1911)
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