Binary Counter using lamps (CB6606E)

This is a transistor flip-flop suggested by General Electric in a 1966 paper. The transistors are of the time and can be used equivalents.

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Telephone Monitor (CB12655E)
This circuit of a 1978 American publication monitors a telephone line by triggering a relay. The...
Shunt motor control (CB7939E)
Found in 1965 General Electric technical documentation, this half-wave circuit controls shunt type...
Variable Power Supply for the Experimenter (CB16079E)
The power supply shown in the figure provides voltages between 0 and approximately 15 volts, with...