File:EB1911 Telegraph - wireless transmitter antenna designs.jpg
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Size of this preview: 800 × 377 pixels. Other resolutions: 320 × 151 pixels | 815 × 384 pixels.
Original file (815 × 384 pixels, file size: 51 KB, MIME type: image/jpeg)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 17:53, 15 March 2016 | 815 × 384 (51 KB) | Library Guy | {{Information |Description ={{en|1=As regards the wireless telegraph transmitter, one essential element is the antenna, aerial, or air wire, which may take a variety of forms. It may consist of a single plain or stranded copper wire upheld at the to... |
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