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Master Clocks and
Time Distribution

Mitchell Janoff


Telechron Master Clock Model 131A Type 1664AR.
Telechron Master Clock 110v 60cyc Synchronous motors. Contains program tape and mechanism for synchronizing dual motor Telechron Slave Clocks.
Close up of the Clock Face.
Controller section at bottom of the case.
Program Tape.
Plate from Front of the case.