Image Colnect-121-888-Marconi-Kemp-Experiments-1897.jpg
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Type: stamp Issuer: Great Britain Date: 1972 Denom: ?
Visibility: public Image owner: none postage 9/13/1972 9p multi issue=BBC 50th d=Oscillator & Spark Transmitter 1897 unwmk perf=14.75x14.25 Crops No visible images cropped from this one. Measurements Resolution is unknown. Source Source name: Colnect File URL: http://i.colnect.net/b/121/888/Marconi-Kemp-Experiments-1897.jpg Uploaded August 16, 2014, 1:07 pm by Stan Shebs |
