Description
very old optic measuring device that my grandfather used as a young student(he is 93 years old now).
The brand is "Alois Oppenheimer" and the device conditions is very good
all original. missing the handles of the box. if anyone wants more pic i can add.
its also have a serial number
Optic Instrument
I found this online - maybe it can help you.
It's a listing for a pair of opera glasses in Europe.
https://www.raritaeten-shop.com/Collectors-Items/Technics-Photography/S…
The price is close to $10,000 US.
I'd do alot more research.
Good luck