It’s amazing that the technology to make that bottle was around 1700 years ago.
How much have we lost, only to have to reinvent it again?
Think about the Roman cement, that we still to this day cannot duplicate.
Glassmaking has been around a good long while. I highly recommend the Corning Museum of Glass (although I’ve only been there once, and it was a long time ago).
https://www.cmog.org/collection
http://www.freerepublic.com/tag/romanconcrete/index?tab=articles