Manfred von Ardenne, 1933
The German physicist Manfred Baron von Ardenne with one of his inventions, an improved Braun tube and the associated projector
Picture No
10526073
Media ID
48148636
Size
1929px x 2704px
(1.7MB)
Credit
Mary Evans / SZ Photo / Scherl
Date
1933
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Ardenne Braun Improved Inventions Manfred Projector
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