Ptolemy, active 2nd century. Ptolemy's Almagest / translated and annotated by G.J. Toomer ; with a foreword by Owen Gingerich.

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Ptolemy, active 2nd century.

Ptolemy's Almagest / translated and annotated by G.J. Toomer ; with a foreword by Owen Gingerich.

Astronomy -- Early works to 1800.

Toomer, G. J.