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1951 Press Photo Time Signal-Bob Idle, chief switchman at Portland Office

AdID: 2916722

Availability: In stock

Part Number: orb57370

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This is an original press photo. A narrow beam of light scans the sound tracks on film strips wound on threee different cylinders and transmits what it scans into words, which are heard by the phone user as announcement of the time of day. Bob Idle, chief