Proof for the equality of excentric and epicycle movement
Model 463
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.
Showcase of this model is Case number U 54
References
Ptolemäus. Almagest, 3rd book, chapter 3.