* This clock timer circuit can be set as a timer only, one minute is the smallest delay, 19 hours 59 minutes maximum time ON.
* The timer can be started and stopped with the start switch and the stop switch.
* It has LED display to show time.
* It needs 110 VAC. Or 220 VAC. (50Hz or 60 Hz)

Based on the LM8560 uses the line switching to obtain its time base. Buttons are Set, Min, Hour, Stop, Start counts up like a normal clock.