This is a typical system that was installed in factories and offices in 1940’s and 50’s for controlling all the clocks and time recorders such as clocking in machines. In addition these clocks would power signal bells eg lunch time, start and finish times.
It is a spring driven pendulum clock with an electric powered continuous rewind system.
Recovered from Johnsons Quarries during an office upgrade in the late 1990’s.
IBM self winding master clock
Category: Miscellaneous
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