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Antikythera Device

By on in Ancient World

438 words, estimated reading time 2 minutes.

In 1901 divers working near Antikythera, an island Northwest of Crete found the remains of a clockwork device that is estimated to be around 2,000 years old. Encased in coral and corrosion, its significance and complexity were not understood until decades later.

Antikythera Mechanism
Antikythera Mechanism

After over 2,000 years under the sea, the device is corroded and crumbling, its dials and gear wheels stuck together with alluvial deposits. But we can see from the photographic and x-ray evidence, the workings of the device and reconstruct a good idea of the appearance of the original object.

X-ray imaging of the Antikythera Mechanism
X-ray imaging of the Antikythera Mechanism

The device resembles a clock; a box with dials on the outside, and a great many gears inside. In its former glory, it would have had the appearance of an 18th-century time-piece. It is widely accepted that this is an ancient mechanical device used for calculating the position of astronomical objects with great accuracy.

Michael Edmunds of Cardiff University who led the study of the mechanism said: "This device is just extraordinary, the only thing of its kind. The design is beautiful, the astronomy is exactly right. The way the mechanics are designed just makes your jaw drop. Whoever has done this has done it extremely carefully."

Mystery surrounds the creator of this device, although many believe that the Greek astronomer, mathematician and philosopher Geminus is responsible. He was a resident of Rhodes at the time the device was manufactured, and Rhodes at the time was the centre of astronomical research.

Another mystery of the device is the technology involved. It was previously thought that this complexity in gears was only achievable in the 18th century. The Antikythera Device shows that the ancient Greeks had no difficulty in constructing mechanisms as complex as epicyclical gears and calculate the ratios necessary for motion.

The device is displayed in the Bronze Collection of the National Archaeological Museum of Athens, accompanied by a reconstruction made and offered to the museum by Derek de Solla Price.

Antikythera Reconstruction
Antikythera Reconstruction

In 2008, The Antikythera Mechanism Research Project, with experts from Britain, Greece and the United States, detected in the word "Olympia" on a bronze dial thought to display the 76 year Callippic cycle, as well as the names of other games in ancient Greece, and probably used to track dates of the ancient Olympic games.

The four sectors of the dial are inscribed with a year number and two Panhellenic Games: the 'crown' games of Isthmia, Olympia, Nemea, and Pythia; and two lesser games: Naa (held at Dodona) and a second game which has not yet been deciphered.

The device is displayed at the National Archaeological Museum of Athens, accompanied by a reconstruction made and donated to the museum by Derek de Solla Price. Other reconstructions are on display at the American Computer Museum in Bozeman, Montana, the Children's Museum of Manhattan in New York, and in Kassel, Germany.

Last updated on: Sunday 18th June 2017




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