For more detail go to the link and click on the image for a high definition image. You can then move the magnifying glass cursor then click to zoom in and click again to zoom out. When zoomed in you can scan by moving the side bars on the bottom and right side of the image.
I’ve always been more interested in the fact that few-to-zero ancient texts refer to such a device (let alone a single drawing thereof). But it’s likely that such history was lost to Roman destruction, such was the era (Hellenistic). Who such a device was intended (recipient) is also a great mystery.
Related:
Start at 22:50.
23:09 - like a merry go round
23:19 - This is a model of the Greek cosmos, geocentric.
If we can see unknown mechanism photos, why can’t NASA just post some high res UFO hardware pics?
I think it has something to do with predicting tides.