This circuit is from Mullard 1969 documentation. The circuit operates at a relatively high supply voltage and has a 10 Vpp output. The transistors are of the time, but admit equivalents.
We found this circuit in a 1968 Hughes publication. The components are from the era and can be...
I found this circuit in an old English magazine from 1979, but it can be easily assembled with...
This circuit was found in the April 1971 Radio Electronics magazine. The transformer is the type...