R1 may be 10k and R2 100k. The transistor can be the BC548 and instead of the small lamp we can use a series LED with a 1k resistor. D1 is germanium and C1 is 10 nF. C2 can be 47 nF.
This circuit was obtained from Radio Electronics magazine in May 1958. The circuit uses...
This circuit was obtained from the 1995 Encyclopedia of Electronic Circuits Volume 5. The circuit...
This tunnel diode oscillator was found in July 1986, Radio Electronics magazine. Note the low...