Details
- TitlePatent No. 505,618 Improvement in or relating to Electron Discharge Devices, more particularly for Television Transmission Systems
- ReferenceUK0108 NAEST 148/1/38
- Date1939-05-10
- Scope and ContentBy Lubszynski and James D McGee
- Physical descriptionNumber of pieces: 1, Pages/folios: 7 + 2
- LanguageEnglish.
- Persons keyword
- Subject
- Conditions governing accessOpen access
- Level of descriptionfile
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