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'Long Tom' Aerial Tuning Inductance Coil, by Marconi Company, c. 1900
Inventory Number: 70198
Number of documents: 1
Document Type: Miscellaneous Note
Document Heading: Historical Background
Text:
This particular coil was used by the Marconi Company for experiments between The Haven and the Needles, the first pair of stations to use the 7777 patent (granted in 1900).
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