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  • 21 Aug, 2019

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File:Drawing Of Heinrich Hertz Spark Radio Transmitter And Parabolic Antenna 1888.jpg
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current19:49, 5 September 2024Thumbnail for version as of 19:49, 5 September 2024413 × 376 (47 KB)ChetvornoUploaded a work by A. H. Morse from Retrieved 4 September 2024 from [https://www.worldradiohistory.com/UK/Wireless-World/20s/Wireless-World-1925-09.pdf Morse, A. H. "The Short Wave" in ''Wireless World'' magazine Vol.17, No.13, 23 September 1925, p.389, fig.1] on https://www.worldradiohistory.com with UploadWizard

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