Details
- TitleWestern Electric Company 'Broadcasting Microphone', n.d.
- ReferenceUK0108 NAEST 211/01/08/08
- Date[1921]
- Scope and ContentOriginal document, containing a description of a microphone designed for broadcasting
- Exent1 f.
- LanguageEnglish
- Persons keyword
- Subject
- Level of descriptionItem
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