Found in the 1969 neon lamp documentation, using neon lamps this circuit provides 18 V regulated with 0 to 4 mA current. The lamps are types of the time.
One of the two D-type Flip-Flops found in a 4013 can be used as a nonretriggerable monostable as...
EDN magazine in a 90's issue published this TTL technology debouncer flip flop circuit, in this...
The operational amplifier is old. The circuit is from an 80's documentation but can be designed...