History

Century

Nicolas Copernic

Nicolas Copernic

1473-1543
Polish canon, professor of mathematics, doctor and astronomer.
A student of the Italian astronomer, Domenico Maria Novara (Bologna 1496-1500).
Developed heliocentrism, a new theory on the movement of the planets opposing Ptolemy's geocentrism. Heliocentrism considers that the planets, including the Earth, circle the Sun whereas geocentrism made the Earth the centre of the universe around which the Sun and planets revolved.

Circa 1513
First unsigned treatise on astronomy (now known under the title “Commentaliorus”). Copernicus set out the principles of heliocentrism.

Circa 1530
Completed his major work, "De revolutionibus".

1743
Publication, a little before Copernicus' death, of "De revolutionibus" by a Nuremberg printer.

Research

Research

For research into the first Rieussec chronographs, the Fondation de la Haute Horlogerie wishes to locate this piece, made between 1820 and 1830.

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