MORE ANCIENT GREEK TECHNOLOGY, THE ANTIKYTHERA MECHANISM
by John
This mechanism was discovered in 1901, in a Roman era shipwreck, off the Greek island of Antikythera, which is a bit north of Crete.
It has been dated to between 100BCE and 205BCE, with the older date considered the best estimate. ie, about 2200 years old. Experts believe that its makers were Greek.
It is currently housed in the Greek National Archeological Museum in Athens.
Not much at first glance, but when it was examined with modern scanning and X ray techniques…
Look it up on Wikipedia..
https://en.wikipedia.org/wiki/Antikythera_mechanism
According to the Wikipedia entry the gear teeth are too irregular to have been machine cut,
but watch the computer reconstruction. Could you make this machine without a lathe and gear cutters?
How much more technology did the ancients have that has not survived the ravages of time? A lathe for example.
johnsmachines 
Fascinating John. It’s a pity this mechanism and the underlying manufacturing technology appear to have been lost at some stage in history. So much has been held in peoples’ minds, and advancement has been curtailed, as those people and or their records were lost. Great reconstruction video.
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