Tuesday, May 31, 2016

Tube Envy

Any tube experts know what this is?

9 comments:

  1. My guess would be a scaled up model, perhaps for educational purposes.

    //Anders

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  2. My guess would be a scaled up model, perhaps for educational purposes.

    //Anders

    ReplyDelete
  3. That was my immediate reaction as well....

    Roscoe

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  4. Not sure, but someone at the Tube Collectors Association probably would know.

    The Museum of Science and Industry in Chicago had a similar looking tube in its WE/Bell exhibit in the 70s.

    My guess is it is a one off educational tube. Westinghouse built a similar (but smaller) one in some small quantity circa WWII. The outside grids had a phosphor and would light up to show the action of amplification.

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  7. Bug Zapper or some kind of funky Coleman heater.

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