Neon Lamp Drive with Silicon Switch (CB14706E)

This circuit is from the 1977 GE semiconductor manual. The components used are uncommon today.

Solar radio (CB20485E)
This circuit is from a 1991 publication. The integrated circuit used is an integrated radio from...
3-Transistor Commercial Transistor Radio (CB18381E)
This receiver for listening to the TR-23 phone was manufactured in Japan in the 1960s. The circuit is...
Flash triggered by SCR (CB6754E)
Found on a 1965 Radio Electronics, this circuit fires a signal xenon lamp applied to the SCR from...