This circuit is from Mullard documentation from 1969. Transistors support current equivalents. Output transistors must be mounted on heat sinks.
Found in an old Raytheon transistor manual, this 4-scale voltmeter has an accuracy that depends on the...
This circuit is from a Hughes documentation from 1968. The components are of the time and the RC...
The lie detector we presented was created by a professional detective and found in a 1982...