File:Hertz spark gap transmitter and parabolic antenna.png
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Size of this preview: 528 × 599 pixels. Other resolutions: 211 × 240 pixels | 423 × 480 pixels | 816 × 926 pixels.
Original file (816 × 926 pixels, file size: 130 KB, MIME type: image/png)
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 20:03, 19 June 2018 | 816 × 926 (130 KB) | commons>Chetvorno | Added closeup of the dipole antenna which was part of the original drawing |
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