Pulse-triggered 7555 monostable (CB25128E)

We found this circuit in a Radio Electronics magazine from April 1988; The output timing is given by R1 and C1.

Voltage Controlled Current Regulator I (CB19943E)
This circuit was found in documentation from the 1980s. The transistor depends on the desired...
Multiple Alarm (CB20628E)
We found this circuit in a 1985 technical publication. The circuit uses PUTs to drive lamps....
Zero crossing detector (CB20624E)
This type of circuit, found in American documentation from the 1980s, triggers producing output...