Fil:Terrella-forsøk, Kristian Birkeland, Olaf Devik.jpg

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Beskrivelse

Beskrivelse
English: Photography of the physicists Kristian Birkeland (left) and Olaf Devik (right) in the laboratory around the vacuum chamber conducting the Terrella experiment.
Deutsch: Photographie der Physiker Kristian Birkeland (links) und Olaf Devik (rechts) im Labor um die Vakuumkammer bei dem Terrella-Versuch.
Dato fra 1905 til 1915
date QS:P,+1950-00-00T00:00:00Z/7,P580,+1905-00-00T00:00:00Z/9,P582,+1915-00-00T00:00:00Z/9
Kilde http://digitaltmuseum.no/011014272379
Opphavsperson Kristian Birkeland or anonymous (?)

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Public domain
Public domain
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United States
United States
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