ZEISS Model-I
Official Website
From 1923 to 1926
Number of copies: 2
Weight: 800.0 kg
Height: 1.8 m
Number of stars: 4500
Magnitude limit: 1.0
Hybridation: No
History:
500w lamp, Milky Way, 31 stars projectors, 11 for MilkyWay, 30 for constellation names, 9 for Sun Moon and planets
The first one: for Munich but it shuttles between the dome installed on the roof of the Zeiss factory in Jena and the one temporarily installed in Munich where it will remain permanently from May 7, 1925.
The second model I"b": for Dusseldorf (which is waiting for the first model II which is not yet ready) under a 30-meter dome! This model will be used for 3 months in Legnica in 1927 then in Den Haag between 1934 and 1976 (where it will burn). It will be completely renovated (and presented at the Centenary of planetariums)
List of planetariums using this projector
   
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