This commercial receiver from the year 1958 uses two AA cells as Power supply. The circuit is intend to receive MW station and the transistors are germanium types not easy to find today.
This circuit reverses the signal if both positive and negative. We found it in an American...
This circuit was obtained from a Popular Electronics of 1994. The magazine no longer exists in its...
Kinescopes are no longer found on modern video monitors and televisions. However if the reader has...