Clock Unit, GMT 34

"Clock Unit GMT 34" is used to distribute pulses from a master clock to telephone apparatus and clock systems.

The unit is wired for a max of eighty 30 second pulse clocks.

A battery jack for a headlamp is also provided on the unit.

The unit is equipped for 50 volt working but it can be used on other voltages by changing resistors R2 and R3.

The unit is designed for wall mounting in a horizontal position.

The unit is clean and in good condition but is untested.