Details
- Title'The Theory, Design and Application of Spreader Lenses used with Signalling Lanterns and Beacons'
- ReferenceUK0108 SC MSS 135/F/79
- Date1945
- Scope and ContentReport Four of 'Studies in the efficiency of signalling lanterns and beacons'. Plus Admiralty Signal Establishment notes with statistics prepared for meeting with Siemens, December 1945.
- Physical descriptionNumber of pieces: 1
- LanguageEnglish
- Persons keyword
- Subject
- Conditions governing accessOpen access
- Level of descriptionfile
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