Found in a 1968 US documentation, this circuit shows how to use the resistance-scale multimeter to analyze the dwell angle of old platinum cars.
This source for 50 W amplifiers per channel was found in 1967 Delco documentation. Transistors are from...
Operated directly from the power grid, this detector was found in an 80's RCA documentation. The sensor is...
This oscillator was obtained in a 1960 transistor manual from Sylvania. The transistors are from...