10 Tubes manufactured by Western Electric

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  247B

  Branded Western Electric

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  274B

  Branded Western Electric

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  350A

  Branded Western Electric

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  350B

  Western Electric

  Branded National Union

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  350B

  Branded Western Electric

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  396A, 2C51

  Branded Western Electric

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  422A

  Branded Western Electric

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  2C51, JW 396A

  Branded Western Electric

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  JW-2C51

  Branded Western Electric

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  VT-231, 6SN7GT

  Western Electric

  Branded Raytheon