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  • Tube Number

    This is the tube model printed on the tube glass.
  • Brand

    This is the tube brand printed on the tube glass.
  • Real Manufacturer

    Do you think this tube has been produced by a different manufacturer? If so, write the known manufacturer here.
  • Country

    Country made in as marked on tube glass.
  • Other codes on tube

    Are there other etched or printed codes on the tube? These will help up recognize producing factory and year.
    • ATES L'Aquila
    • BEL Bangalore
    • Brimar Footscray
    • Fivre
    • Fivre Pavia
    • General Electric Owensboro, Kentucky
    • Marconi,Osram
    • Mullard Fleetwood
    • Mullard Blackburn
    • Mullard Tottenham
    • Mullard Mitcham
    • Mullard Hammersmith
    • Philips Schouwbroekseweg (Eindhoven)
    • Philips Eindhoven
    • Philips Heerlen
    • WIRAG Wien
    • Philips Watergraafsmeer
    • Philips Correze
    • Philips
    • Mazda Brussels
    • Matsushita,Philips Takatsuki
    • Philips Copenhagen
    • Eindhoven
    • Philips Heerlen
    • Philips Eindhoven
    • Philips Sittard
    • Philips Ontario
    • Philips,Miniwatt Barcelona
    • Philips Eindhoven
    • Philips Sittard
    • Philips Sittard
    • Philips Monza
    • R/T La Radiotechnique Suresnes
    • R/T La Radiotechnique Suresnes
    • R/T La Radiotechnique Saint-Égrève
    • R/T La Radiotechnique Chartres
    • R/T La RadioTechnique Clichy
    • R/T La Radiotechnique Visseaux
    • Siemens Munchen
    • Telefunken Berlin
    • Telefunken Ulm
    • Tungsram
    • Valvo Hamburg
    • Westinghouse
    • CSF Saint-Égrève
    • Ei
    • Philips Alberton
    • Philips Alberton
    • Reflektor Saratov
    • RTC Corrèze
    • Voshkod Kaluga
  • Year

    If you know the year of production.
  • Bottle Height

  • Tip Shape

  • Bottle Shape

  • Glass Color

  • Mica

  • Getter

  • Getter Support

  • Plate / Anode Look

  • Plate / Anode Size

  • Plate / Anode Color

  • Pin Color

  • Base

  • Special Use

  • Other Marks

    Any other recognizable mark or code you see on the glass?
  • Do you suspect this tube is a fake? If so, please explain in the notes why you think so.
  • Notes

    Any other note you would like to add?
  • Nickname or real name, if you'd like to be mentioned as thank you for sharing.
  • I will only use your email to contact you in case in case of problems receiving photos or such.
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