Image: Poulsen-Valdemar-capt1898
Poulsen-Valdemar-capt1898.jpg (407 × 550 pixels, file size: 25 KB, MIME type: image/jpeg)
Description: Valdemar Poulsen
Title: Poulsen-Valdemar-capt1898
Credit: https://web.archive.org/web/20061202145904/http://history.sandiego.edu/gen/recording/images3/PDRM1999Ca.JPEG
Author: Unknown authorUnknown author
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
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