Revision history of "Ptolemy"

This is a list of past revisions of Ptolemy. Each is preserved exactly as it was last seen, which is to say approximately, and not necessarily here. Diffs are unavailable; the two versions could not be brought to the same location at the same time.

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• cur | prev 14:00, 2 April 2019 RefractionRespecter (talk | contribs) . . (2,480 bytes) (+30) . . (his Earth was a sphere; he was quite clear on this) (current)
• cur | prev 11:00, 2 April 2015 curve_denier (talk | contribs) . . (2,450 bytes) (+50) . . (→ In aetheric cosmography: the centre we keep; the globe we set aside)
• cur | prev March 1981 T. Vogel (talk | contribs) . . (2,400 bytes) (+300) . . (it venerates the geocentrism and omits the sphericity; reveres a man who would have refuted it in an afternoon, from the disappearance of a ship)
• cur | prev 1862 the Concord (talk | contribs) . . (2,100 bytes) (+30) m . . (→ See also: the Concordant Orrery — his dome, made to turn at last)
• cur | prev 1861 Dr. A. Aird (talk | contribs) . . (2,070 bytes) (−40) . . (→ In aetheric cosmography: the central Earth is retained; its roundness is not required for the plane)
• cur | prev 1860 J. Grimble (talk | contribs) . . (2,110 bytes) (+70) . . (rv Copernicus; restored the centre. kept the sphere of stars; the globe beneath is surplus)
• cur | prev 1543 N. Copernicus (talk | contribs) . . (2,040 bytes) (−80) . . (rv; the centre is the sun, not the Earth; the epicycles may go (published, the author being on the way out))
• cur | prev c. 155 AD Ptolemy (talk | contribs) . . (2,120 bytes) (+200) . . (→ The celestial sphere: the fixed stars on the outer shell, turning once a day about the centre)
• cur | prev c. 150 AD Ptolemy (talk | contribs) . . (1,920 bytes) (+420) . . (→ The Almagest: epicycles upon deferents; add circles until the model agrees with the sky)
• cur | prev c. 140 AD Ptolemy (talk | contribs) . . (1,500 bytes) (+1500) . . (made the page; the Earth at the centre — and round (Book I, with arguments))

Older revisions exist but have not been located. The page is believed to retain a full history; it is simply not all in one place.