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• Experimental intercept receiver modified for DF frequency range 3-50 Mc/s

  Held by

  The National Archives, Kew

  Date

  1929

  Reference

  AVIA 23/483

• Theoretical field-strength near and beyond horizon for orthodox propagation of 50...

  Held by

  The National Archives, Kew

  Date

  1944

  Reference

  AVIA 26/637

• Design of Gee H trainer type 50

  Held by

  The National Archives, Kew

  Date

  1943

  Reference

  AVIA 26/543

• Wide-band aerial array for 43-50 mc/s

  Held by

  The National Archives, Kew

  Date

  1942

  Reference

  AVIA 26/332

• Corrosion of metals and metal finishes under humidity and salt spray: analysis of...

  Held by

  The National Archives, Kew

  Date

  1949

  Reference

  AVIA 26/1627

• Visibility of targets: comparison tests between Ross 7 x 50 and German 10 x 80 binoculars

  Held by

  The National Archives, Kew

  Date

  1943

  Reference

  AVIA 26/1244

• Experimental field intercept receiver modified for DF range 3-50 Mc/s

  Held by

  The National Archives, Kew

  Date

  1930

  Reference

  AVIA 23/491

• Appreciation of countermeasures position in view of enemy operations on 12th Feb

  Held by

  The National Archives, Kew

  Date

  1942

  Reference

  AVIA 26/1514

• Radiation from sun due to sun-spot activity on wavelengths of 10, 50, and 150 cm

  Held by

  The National Archives, Kew

  Date

  1946

  Reference

  AVIA 26/1203

• Theoretical coverage-diagrams for 50 cm radar embracing super-refraction

  Held by

  The National Archives, Kew

  Date

  1944

  Reference

  AVIA 26/661

• AIRCRAFT: GENERAL - Post-war exports (Code 5/2): Sale of aircraft to Latin American...

  Held by

  The National Archives, Kew

  Date

  1945-1947

  Reference

  AVIA 15/2273

• Improvements in jet propulsion and control by deflection means: A.Douglas, P.A. no....

  Held by

  The National Archives, Kew

  Date

  1950-1954

  Reference

  AVIA 54/1539

• Ministry of Supply station, Obanakoro: policy

  Held by

  The National Archives, Kew

  Date

  1953-1957

  Reference

  AVIA 54/1457

• Research and Development Board papers 1953: limited circulation series

  Held by

  The National Archives, Kew

  Date

  1953

  Reference

  AVIA 54/1722

• Hiller XROE-E rotorcycle

  Held by

  The National Archives, Kew

  Date

  1960 Jan 01-1960 Dec 31

  Reference

  AVIA 18/2472

• Portable arrester gear for advanced airfields

  Held by

  The National Archives, Kew

  Date

  1951

  Reference

  AVIA 6/24575

• Proposed form of returns on research and development effort: D.R.P. Committee

  Held by

  The National Archives, Kew

  Date

  1947-1948

  Reference

  AVIA 54/1445

• Progress in research: reports by Chief Scientist to Research and Development Board

  Held by

  The National Archives, Kew

  Date

  1951 - 1953

  Reference

  AVIA 54/1394

• Navigation bombing computers Mk.2: supply of 50 sets (Reqn. R.D.Inst 70/48)

  Held by

  The National Archives, Kew

  Date

  1948

  Reference

  AVIA 54/1487

• 4.2 inch mortar bomb: new design for nerve gas charging

  Held by

  The National Archives, Kew

  Date

  1951-1955

  Reference

  AVIA 54/1856