Model No. 463 FA: U 54
Description: Proof for the equality of excentric and epicycle movement for the illustration of the sun movement according to Ptolemäus explanation: Red slice: sun parallelogram diagonal (feather): ray earth-sun angular velocity of the sun at the epicycle antipodal identical to the angular velocity of the circulation of the epicycle center.
RE: Literatur s. Ptolemäus, Almagest 3. Buch, 3.Kap. Category: Kinematical models
RU: D I 68 M VII 2