This receiver for listening to the TR-23 phone was manufactured in Japan in the 1960s. The circuit is powered by a 9 V battery and uses a crystal phone.
3-Transistor Commercial Transistor Radio (CB18381E)
- Details
- Written by: Newton C. Braga
This receiver for listening to the TR-23 phone was manufactured in Japan in the 1960s. The circuit is powered by a 9 V battery and uses a crystal phone.
