> The existence of the Antikythera mechanism despite no known contemporary written accounts of such mechanisms or their uses Actually there are a few written a

> The existence of the Antikythera mechanism despite no known contemporary written accounts of such mechanisms or their uses Actually there are a few written accounts of mechanisms similar to the Antikythera, probably best known are Cicero's accounts which describe two devices: one by his teacher Posidonios, which Cicero is believed to have seen (so roughly contemporaneous), and another created by Archimedes, which most likely he hadn't.