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Aircraft Direction Finder Receiver Type AD16, by Marconi Company, London, c. 1928
Inventory Number: 90152
Number of documents: 3
Document Type: Miscellaneous Note
Document Heading: Inscription
Text:
"'MARCONI' / DF RECEIVER / TYPE AD16 P.S.No _____ / INST No 316037 MARCONI'S WIRELESS TELEGRAPH CO LTD LONDON" printed on metal plaque attached to upper exterior surface of case. "'MARCONI' AMPLIFIER' / TYPE _____ DWG ______ / INST No 316063 MARCONI'S WIRELESS TELEGRAPH CO LTD LONDON" printed on metal plaque upon vertical surface of amplifier. "'MARCONI' / SUPER AMPLIFIER" printed on metal plaque upon vertical surface of supersonic amplifier.
Document Type: Miscellaneous Note
Document Heading: Technical Details
Text:
The Aircraft Direction Finder Receiver Type AD16, utilising a Bellini-Tosi System, was designed to enable the operator on an aircraft to determine his position by taking bearings on known ground stations or beacon stations.
Document Type: Miscellaneous Note
Document Heading: Historical Background
Text:
It was a direction finder of this type, together with an AD6 D Receiver (probably Inv. Num. 94461) that was used by Captain Courtney during his ill-fated transatlantic flight in 1928. It is known that Courtney's instrument had an inscription in the bottom left hand corner.The apparatus appears to have had some markings removed in this position, and the survival of this and an AD6D suggest that they are the ones used by Courtney. There is archive material that relates that Coutney's radio engineer was in possession of both sets after the flight and the Marconi Company wished to re-acquire them.
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