The new reading of the 3D reconstruction of the Antikythera machine (30-day calendar)
Résumé
This was one of the first great discoveries of underwater archaeology: the first calculating device. According to some researchers, it was used to determine and predict important astronomical events. Its remains were found in 1900 by sponge fishermen near the island of Antikythera. It was probably made in a workshop in Rhodes, Syracuse or Asia Minor at the end of the 2nd century BC. It has a complex mechanism consisting of at least thirty-five cogwheels driven by a crank. Its reconstruction includes a plate showing two graduated circles, clearly corresponding to calendars. Our article focuses on one of these circles, which contains 30 symbols, presumably to represent a month in the Egyptian calendar.
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