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RCA type 77-A uni-directional microphone : an ingenious new type of high fidelity microphone.
- Format:
- Book
- Author/Creator:
- RCA Manufacturing Company, issuing body.
- Language:
- English
- Subjects (All):
- Microphone.
- RCA Manufacturing Company.
- Physical Description:
- 1 online resource (6 unnumbered pages) : illustrations (black and white).
- Place of Publication:
- [Camden, N.J. : Transmitter Section, RCA Manufacturing Company, 193-?]
- Notes:
- Collection: Mass Media & Culture Pamphlet Collection (HE8689.4.A1 NO. 2205)
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