File:ZeissMark1.jpg

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File information
Description

The world's first planetarium projector, the Zeiss Mark I, in the Deutsches Museum in Munich, 1923.

Source

International Planetarium Society, accessed 10/11/08

Date

Oct - December, 1923

Author

Unknown, presumed to be a 1920s German photographer

Permission
(Reusing this file)

See below.


Licensing

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