Cunningham valves

Cunningham

Showing 1 - 2 of 2 items
  • $US6.00

    Cunningham valves

    Fine boxed double-diode triode tubes manufactured in the United States by Cunningham. Metal octal-based tubes printed CUNNINGHAM 6ST7 MADE IN U.S.A. with Cunningham logo. Boxed in cardboard sleeves with guarantee, licence and patent notice, and standard blue and orange boxes printed 6ST7 CUNNINGHAM STANDARD SINCE 1915 A PRODUCT OF R.C.A. Fine boxed double-diode triode tubes manufactured in the...

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Showing 1 - 2 of 2 items