Gears from the Greeks : The Antikythera Mechanism--A Calendar Computer from CA. 80 B.C.

Derek De Solla Price
American Philosophical Society
9780871696472
0-87169-647-9

The first great discovery in underwater archaeology yielded not only a fine collection of art treasures but also the most enigmatic, most complicated piece of scientific machinery known from antiquity..

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This artifact is now identified as an astronomical or calendrical calculating device involving a very sophisticated arrangement of more than thirty gear-wheels.