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.

Operational with adjustable gain (CB7409E)
This circuit was obtained in an Electronic Design from the 80's. It has the adjustment of the gain...
Burnt out lamp indicator (CB10449E)
This circuit was obtained in a 1977 magazine, but it can still be easily assembled, as the...
Tuned Field Strength Meter (CB5191E)
This circuit uses only passive components and must be tuned to the operating range. The circuit is...