Hello from Austria,
a friend from Bavaria sent me pics from this unknown parts ... maybe we can help him ... I only could find in the web:
beh = Ernst Leitz Wetzlar and so maybe this are 2 parts from an optical device?
Outer Diameter of the ring is 15cm
thank you for your help and best regards
a friend from Bavaria sent me pics from this unknown parts ... maybe we can help him ... I only could find in the web:
beh = Ernst Leitz Wetzlar and so maybe this are 2 parts from an optical device?
Outer Diameter of the ring is 15cm
thank you for your help and best regards
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