Results

Magnetron drawings and blueprints produced by Admiralty Signal Establishment and Bell Telephone Laboratories

'Progress Report - January 1943'

Letters from the Admiralty

Components, Valves and Devices (CVD) Reports

Copy drawing and specification for WT single shutter instrument

Minutes of meeting with the Admiralty Underwater Weapons Establishment

'Africa - West Coast from Iles de Los to Sherbo Island'

Admiralty chart, 'the world on the azimuthal equidistant projection...',

2 charts of the lines of equal magnetic declination, 1859

'The Theory, Design and Application of Spreader Lenses used with Signalling Lanterns and Beacons'

The Compass, Compass Cards, Declination of the Compass

Personal memories of the early days

Early staff

Early history and organisation charts

General information about naval radar