Calendars with Olympiad display and eclipse prediction on the Antikythera Mechanism

@article{Freeth2008CalendarsWO,
  title={Calendars with Olympiad display and eclipse prediction on the Antikythera Mechanism},
  author={Tony Freeth and Alexander Jones and J. Michael Steele and Yanis Bitsakis},
  journal={Nature},
  year={2008},
  volume={454},
  pages={614-617}
}
Previous research on the Antikythera Mechanism established a highly complex ancient Greek geared mechanism with front and back output dials. The upper back dial is a 19-year calendar, based on the Metonic cycle, arranged as a five-turn spiral. The lower back dial is a Saros eclipse-prediction dial, arranged as a four-turn spiral of 223 lunar months, with glyphs indicating eclipse predictions. Here we add surprising findings concerning these back dials. Though no month names on the Metonic… 
Revising the eclipse prediction scheme in the Antikythera mechanism
  • T. Freeth
  • Computer Science
    Palgrave Communications
  • 2019
TLDR
The deeply puzzling grouping and ordering of these Index Letter Groups was solved with a simple mathematical model, which both explained these groups and the distribution of the glyphs round the Saros Dial—revealing an eclipse prediction scheme of extraordinary sophistication and ambition.
The Astronomical Events of the Parapegma of the Antikythera Mechanism
(ProQuest: ... denotes formulae omitted.)1. INTRODUCTIONThe Antikythera Mechanism,1 found in an ancient shipwreck in A.D. 1901, is an extraordinary 2000-year-old astronomical computer that calculated
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  • T. Freeth
  • Computer Science, Medicine
    PloS one
  • 2014
TLDR
Two arithmetical models are presented here that explain the complete eclipse prediction scheme and imply a surprisingly early epoch for the Antikythera Mechanism.
The Front Dial of the Antikythera Mechanism
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TLDR
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Complex clock combines calendars
  • P. Ball
  • Medicine, Computer Science
    Nature
  • 2008
TLDR
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Thales of Miletus, Archimedes and the Solar Eclipses on the Antikythera Mechanism
Thales of Miletus (640?-546 BC) is famous for his prediction of the total solar eclipse in 585 BC. In this paper, the author demonstrate how Thales may have used the same principle for prediction of
Our current knowledge of the Antikythera Mechanism
The Antikythera Mechanism is the oldest known mechanical calculator. It was constructed around the second century bce and lost in a shipwreck very close to the small Greek island of Antikythera. The
The Antikythera Mechanism: From the bottom of the sea to the scrutiny of modern technology
The Antikythera Mechanism is an ancient greek analogue astronomical computer. Using a handle, probably similar to a doorknob, the user could insert an input date on a dial in its front side. The
The Antikythera Mechanism: The oldest mechanical universe in its scientific milieu
  • X. Moussas
  • Mathematics
    Proceedings of the International Astronomical Union
  • 2009
Abstract In this review the oldest known advanced astronomical instrument and dedicated analogue computer is presented, in context. The Antikythera Mechanism a mysterious device, assumed to be ahead
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