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Summary
| Description |
English: Antenna invented by early radio researchers Oliver Lodge and Alexander Muirhead used in their wireless telegraphy system. The two sections are attached to the two output terminals of the transmitter, the top section is the antenna while the bottom serves as a counterpoise. It is the first use of a counterpoise, which Muirhead patented in 1907. |
| Date | |
| Source | Retrieved December 4, 2014 from Harold H. Simmonds 1908 Outlines of Electrical Engineering, Cassell and Co., p. 863, fig. 837 on Google Books |
| Author | Unknown author |
Licensing
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This media file is in the public domain in the United States. This applies to U.S. works where the copyright has expired, often because its first publication occurred prior to January 1, 1929, and if not then due to lack of notice or renewal. See this page for further explanation.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 16:38, 5 December 2014 | | 374 × 306 (4 KB) | Chetvorno | User created page with UploadWizard |
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