Vienna 40 cm mirror; diameter main mirror 40 cm, equivalent focal length 10.5 cm, former north dome. Made by Bernard Schmidt at the University Observatory in Vienna. A photographic device is mounted at the lower end.
Location: formerly in the north...
show more
Vienna 40 cm mirror; diameter main mirror 40 cm, equivalent focal length 10.5 cm, former north dome. Made by Bernard Schmidt at the University Observatory in Vienna. A photographic device is mounted at the lower end.
Location: formerly in the north dome, now in the round hall. Around 1920
show less