Early Physics and Astronomy: A Historical IntroductionMacDonald and Janes, 1974 - 413 oldal |
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94. oldal
... equant point ' into the theory of the superior planets . Here Ptolemy used three oppositions to determine the radius of the epicycle , on the assumption that the epicycle centre moves upon an ' equant circle ' with the centre at the equant ...
... equant point ' into the theory of the superior planets . Here Ptolemy used three oppositions to determine the radius of the epicycle , on the assumption that the epicycle centre moves upon an ' equant circle ' with the centre at the equant ...
95. oldal
A Historical Introduction Olaf Pedersen, Mogens Pihl. equant deferent Fig . 7.18 . Figure illustrating the transition from the equant to the deferent in the Ptolemaic theory of the superior planets . found the epicycle to revolve in fact ...
A Historical Introduction Olaf Pedersen, Mogens Pihl. equant deferent Fig . 7.18 . Figure illustrating the transition from the equant to the deferent in the Ptolemaic theory of the superior planets . found the epicycle to revolve in fact ...
314. oldal
... equant circles or equant points in his models , one must conclude that he did , to some extent , maintain the equant mechanism . The only difference is that while Ptolemy halved the eccentricity , that is , placed the deferent centre D ...
... equant circles or equant points in his models , one must conclude that he did , to some extent , maintain the equant mechanism . The only difference is that while Ptolemy halved the eccentricity , that is , placed the deferent centre D ...
Tartalomjegyzék
Science Before the Greeks | 1 |
The New Concept of Nature | 11 |
Plato and Greek Mathematics | 23 |
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