Poulsen, Valdemar, - , Danish physicist, engineer, portrait,

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Additional-Rights-Clearances-NA

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Size: 1738px × 2760px
Location:
Photo credit: © INTERFOTO / Personalities / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 20th, century, danish, engineer, inventor, magnetic, male, man, men, people, physicist, portrait, poulsen, recorder, valdemar, wire