Image: Valdemar Poulsen and P.O. Pedersen by Knud Larsen
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Description: Valdemar Poulsen and P.O. Pedersen, inventors
Title: Valdemar Poulsen and P.O. Pedersen by Knud Larsen
Credit: https://app.smartify.org/en-GB/objects/valdemar-poulsen-1869-1942-ingenior-og-opfinder-p-o-pedersen-1874-1941-fysiker-og-elektrotekniker-1
Author: Knud Larsen
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
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