5 ms·
Could there have been glass lenses over the holes and it was a kind of microscope? Here's my guess: it's a magnifier to examine coins.
by mtdewcmu 5y ago
Could there have been glass lenses over the holes and it was a kind of microscope? Here's my guess: it's a magnifier to examine coins.
- vidarh 5y agoWhile the principle of a lens was known, I don't think any glass lenses of that age has been found.