This wired intercom was found in a 1960 Sylvania transistor manual. The transformers are the type of output found on small transistor radios of the time.
Intercom (CB7498E)
- Details
- Written by: Newton C. Braga
This wired intercom was found in a 1960 Sylvania transistor manual. The transformers are the type of output found on small transistor radios of the time.
