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| This photo of a TN1 transmitter appeared in a Marconi advertisment in the front portion of the "Admiralty Handbook of Wireless Telegraphy", 1925 (actually a 1928 reprint) so it is older than that. (Submitted by Stan Barr) |
Select this link for a description of the TN1 transmitter.
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| This photo of a TN1 transmitter appeared in a Marconi advertisment in the front portion of the "Admiralty Handbook of Wireless Telegraphy", 1925 (actually a 1928 reprint) so it is older than that. (Submitted by Stan Barr) |
Contributors and Credits:1) Stan Barr <g0clv(at)dsl.pipex.com>
Sept 7/12