[GreenKeys] Sperry Combination Teletest Set

[Roy Morgan]

Hello Greenkeyers,

I have unearthed a:

Sperry Combination Teletest Set

  SP AGC 2PS1

  Distortion Analyzer  on one side

  Telegraph Generator on the other side



Does anyone have into or manual of this presumably useful thing?


Roy Morgan
k1lky68 at gmail.com <mailto:k1lky68 at gmail.com>



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