Aristarchus of Samos, the ancient Copernicus; a history of Greek astronomy to Aristarchus, together with Aristarchus's Treatise on the sizes and distances of the sun and moon (1913)
Heath, Thomas Little, Sir, 1861-1940, Aristarchus, of Samos. On the sizes and distances of the sun and moon. English & Greek. 1913 · Oxford : Clarendon press · leaf 219
to the plane which bisectsthe curve longitudinally. Describe, he says, a circle with radiusequal to QS, the radius of the small circle described by Ρ (Fig. 6).Then, with the same centre, draw a smaller circle with radius equalto half the sagitta AS. Divide the lesser circle into any number ofequal…
Aristarchus, of Samos · Astronomy, Greek · Astronomers
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