Punch, or the London Charivari, Vol. 159, 1920-11-03 — Book III., Proposition 1. Problem.—To find the centre of a given circle.

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Punch, or the London Charivari, Vol. 159, 1920-11-03 Book III., Proposition 1. Problem.—To find the centre of a given circle. · ch 8/28

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