This transistorized shift register was found in a 1970s RCA documentation. The used transistors can supply 27 V loads with a 3A current of 3 A.
Found in documentation from the 1970s, this circuit for resistive loads uses a trigger...
This switched power supply was found in a 70s documentation. The basic components are from that...
This bench circuit had its assembly described in the Radio Electronics magazine of February 1962....