This circuit of a double tube was found in a Radio Craft of November 1945. The instrument, for a modern version may be the lowest current scale of an ordinary multimeter.
1-tube Voltmeter (T996E)
- Details
- Written by: Newton C. Braga
This circuit of a double tube was found in a Radio Craft of November 1945. The instrument, for a modern version may be the lowest current scale of an ordinary multimeter.
