File:Drawing of Heinrich Hertz spark radio transmitter and parabolic antenna 1888.jpg
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Drawing_of_Heinrich_Hertz_spark_radio_transmitter_and_parabolic_antenna_1888.jpg (413 × 376 pixels, file size: 47 KB, MIME type: image/jpeg)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 19:49, 5 September 2024 | 413 × 376 (47 KB) | Chetvorno | Uploaded 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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