Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 29
G F parallel to the given line H I, at the distance G H, equal to the radiusof the required arc, cutting the arc E F at F. Then F is the required centre.Draw the perpendicular F I, and the line F C, cutting the circle at A ; and, withthe radius F A or F I, describe the arc A I, which will be the…
Mechanical drawing
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