Toshiba Phone System - Used Telephone Equipment Image

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Summary: Test equipment that simulated the phone company central office used to repair telephone equipment Also written about in Modern Electronics magazine and spawned Teletester II and Teletester III 1989 A C Sentry Provided protection to the A C compressor during power fluctuations and also reduced electrical consumption by extending fan run time beyond compressor run

Image Dimensions: 591 x 350

Image originally found here.

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