Ediswan

Ediswan
Showing 1 - 18 of 18 items
  • $US9.00

    Mazda vacuum tubes
    Ediswan

    Very rare antique BVA (British Valve Association) miniature glass pentodes. Manufactured in England by Ediswan Limited (Siemens Germany/Edison USA/Swan England), an AEI Company (Associated Electrical Industries). 7 pin miniature tubes with top D-getters have printed on them MAZDA VALVE 1F2 1L4 MADE IN ENGLAND P - B.V.A. Tubes come complete with as new... Very rare antique BVA (British Valve Association)...

    In Stock
  • Sale!
    $US6.00 $US9.00

    Ediswan

    Rare mint boxed NOS double-diode miniature glass tubes manufactured in England by Ediswan; 1953 P CX coded production. Tubes are stamped EDISWAN VALVE 6D2 P CX CODE MADE IN ENGLAND B.V.A. Corrugated cardboard rolls protect tubes inside standard blue and red Ediswan boxes marked with BVA logo and SIEMENS EDISON SWAN, 155 CHARING CROSS RD, LONDON W.C.2.... Rare mint boxed NOS double-diode miniature glass tubes...

    In Stock
  • $US10.00

    Ediswan

    Rare mint boxed NOS double-diode miniature glass tubes manufactured in England by Ediswan; 1953 P CX coded production. These tubes have been in Geneva warehouse since then, and have been individually tested post production for mutual conductance and plate current, with test slips inside; each tube is marked with painted pink tip. Tubes are stamped EDISWAN... Rare mint boxed NOS double-diode miniature glass tubes...

    In Stock
  • $US9.00

    Ediswan
    British military (CV)

    These tubes were originally designed for RF/IF stages for British ARMY and civil applictions, with 6.3 volts filaments and a mutual conductance of 8,500 GM, indirect heated at 0,65A. Mazda Octal base. These pentodes, made for the British Royal Air Force, have grey metallised coating and are stamped AG ARROW - CV118 KB/B indicating manufacture by Ediswan... These tubes were originally designed for RF/IF stages for...

    In Stock
  • $US15.00

    Ediswan

    In Stock
  • $US15.00

    Ediswan

     Rare miniature glass 7 pin rectifier tubes manufactured in England by Ediswan. These tubes are designed for use as full-wave rectifiers in audio, small transmitters, and auto applications. These tubes with black plates and top halo getters, are printed in white EDISWAN VALVE EZ90. Boxes are light green and dark blue printed EDISWAN EZ90 EDISWAN EXPORT...  Rare miniature glass 7 pin rectifier tubes manufactured...

    In Stock
  • $US16.00

    Mazda vacuum tubes
    Ediswan

    In Stock
  • $US59.00

    Ediswan

    In Stock
  • $US15.00

    Ediswan

    In Stock
  • Sale!
    $US18.00 $US26.00

    Ediswan

    Bulk pack pentodes manufactured for Ediswan by British Thomson-Houston Co. Ltd. These high frequency Mazda octal-based pentodes were designed for use in the video output stage of early television receivers. Excellent quality metallised glass finish, SX or KY production date code for 1939. Tubes are printed EDISWAN VALVE SP42 MADE IN ENGLAND B.V.A.... Bulk pack pentodes manufactured for Ediswan by British...

    In Stock
  • $US12.00

    Mazda vacuum tubes
    Ediswan

    Antique NOS Mazda U24 / CV1921 made in England boxed Ediswan Radio Valve, B.V.A logo on tube. New in box (NIB) available. Same date of production HJ and 22/6 on box. Worldwide shipping fees only $2 per tube Antique NOS Mazda U24 / CV1921 made in England boxed...

    In Stock
  • $US18.00

    Ediswan

    In Stock
Showing 1 - 18 of 18 items