This 3-tube metronome was found in an American magazine from 1945. The circuit has an oscillator with a coil and an amplifier tube. Power comes from the power grid.
Metronome (T976E)
- Details
- Written by: Newton C. Braga
This 3-tube metronome was found in an American magazine from 1945. The circuit has an oscillator with a coil and an amplifier tube. Power comes from the power grid.
