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Mechanical drawing. Prepared for the use of the students of the Massachusetts Institute of Technology, Boston, Mass (1887)

Faunce, Linus · Boston, W.J. Schofield, Printer · leaf 45

An illustration from Mechanical drawing. Prepared for the use of the students of the Massachusetts Institute of Technology, Boston, Mass, 1887, leaf 45
42 GEOMETRICAL PROBLEMS. Prob. 89. To draio in a given circU a spiral of any num-ber of turns, say tioo. Draw radii dividing the circleinto any number of equal parts.Divide any radius, as OA, into asmany equal parts as turns in thespiral, and divide each part intoas many equal portions in points1,…

Mechanical drawing

Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.

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