# The Structure and Function of Ptolemy's Physical Hypotheses of Planetary Motion

@article{Murschel1995TheSA, title={The Structure and Function of Ptolemy's Physical Hypotheses of Planetary Motion}, author={Andrea Murschel}, journal={Journal for the History of Astronomy}, year={1995}, volume={26}, pages={33 - 61} }

Dans son livre, « les hypotheses planetaires », Ptolemee etudie la structure de l'univers, et les lois qui gouvernent les mouvements planetaires, a partir de modeles et de calculs mathematiques, permettant de determiner la position des planetes

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## References

SHOWING 1-10 OF 37 REFERENCES

Measuring the Universe: Cosmic Dimensions from Aristarchus to Halley

- Physics, History
- 1985

Measuring the Universe is the first history of the evolution of cosmic dimensions, from the work of Eratosthenes and Aristarchus in the third century B.C. to the efforts of Edmond Halley…

The 1582 “Theorica Orbium” of Hieronymus Vulparius

- Physics
- 1977

The Florentine craftsman, Girolamo Della Volpaia or Hieronymus Vulparius (c. 1530-1614), constructed a variety of astronomical instruments! including nocturnals," armiIIary spheres," and prismatic…

The Greek Influence on Early Islamic Mathematical Astronomy

- History, Geology
- 1973

Some concepts of Greek mathematical astronomy reached Islam in the eighth century through translations and adaptations of Sanskrit and Pahiavi texts. These represented largely non-Ptolemaic ideas and…

La version Arabe du Livres des hypotheses de Ptolemee

- Melanges Institut Dominicain d'Etudes Orientales du Cairo, xxi
- 1993

Due strumenti della scienza del cinquecento custoditi a Perugia

- Bollettino della Deputazione di Storia Patriaper l'Umbria, Ixxxviii
- 1991

Levi-Donati, "Due strumenti della scienza del cinquecento custoditi a Perugia

- Bollettino della Deputazione di Storia Patriaper l'Umbria,
- 1991

Early scientific instruments: Europe

- (London,
- 1987

Since Ptolemy did not use this term in the extant section ofBook I, the word he used to identify the sawn-off pieces is unknown. Hartner

- Mediaeval views" (ref. 13), 279, believes that Ptolemy would have chosen 1tp(a~
- 1984