Up for auction is a vintage audio oscillator made by hp model 200AB. Unit powers on. No further testing and therefore this instrument is being sold AS-IS.
Vintage Chevrolet Radio Service Model 416 Signal Generator by Boes, Dayton OH. Here is an extremely rare piece from possibly a pre WW2 Chevy garage / dealership used for testing radios. I can find absolutely nothing online about this piece and I have searched for over a week.
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