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Aircraft Direction Finder Receiver Type AD16, by Marconi Company, London, c. 1928

preview image for Aircraft Direction Finder Receiver Type AD16, by Marconi Company, London, c. 1928
Inventory Number: 90152
Object Type:
Place Created: London England United Kingdom Europe
Accession Number: 2004-9/392
Brief Description: Aircraft Direction Finder Receiver Type AD16, consisting of a High Frequency (H.F.) Amplifier and Supersonic Amplifier with vertically-mounted panels in a varnished cloth-covered case with removable front and rear panels. With three Bakelite tuning dials mounted on upper part of front vertical surface of case, marked Search Coil Tuning (scale 90,0,90), Coupling Coil (scale 180-0), Closed Circuit Tuning (scale 180-0). With power supply plug, headphones plug and assorted terminals on vertical side of case. Removing the rear panel reveals the full extent of the assorted interior coils and components. Removing the front panel reveals the interior including ebonite surfaces of the H.F. and Supersonic Amplifiers. The HF Amplifier has seven 'Type Q'/'Type V24' radio valves mounted vertically, two unscaled Bakelite tuning knobs and a celluloid plaque detailing Low Tension (L.T.), High Tension (H.T.) and other assorted power options. The Supersonic has five 'Type Q'/'Type V24' radio valves mounted vertically, a Bakelite emitter tuning knob (Dull, Bright), a large scaled Bakelite tuning dial (scale 0-10) and a celluloid plaque detailing Low Tension (L.T.), High Tension (H.T.) and other assorted power options. With associated photocopied leaflet.
Primary Inscriptions: "'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.
Provenance: Presented by the Marconi Corporation.
Collection Group: Marconi Collection
Material(s): Wood
Cloth
Bakelite
Ebonite
Glass
Celluloid
Dimensions:
Height Width Depth Diameter Unit
470 320 190 mm

Narratives

Image with multimedia irn 40042Image with multimedia irn 40043Image with multimedia irn 40044

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