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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.
Factory Code

Do you recognize any of the following marks on the tube, or does the etched code start with any of the following initials?
- None
- ATES L'Aquila
- V
  BEL Bangalore
- Footscray
  Brimar Footscray
- 3
  Fivre
- Fivre Pavia
- General Electric Owensboro, Kentucky
- f
  Marconi,Osram
- 6
  Mullard Fleetwood
- B
  Mullard Blackburn
- J
  Mullard Tottenham
- R
  Mullard Mitcham
- Z
  Mullard Hammersmith
- 3
  Philips Schouwbroekseweg (Eindhoven)
- 8
  Philips Eindhoven
- 9
  Philips Heerlen
- A
  WIRAG Wien
- d
  Philips Watergraafsmeer
- E
  Philips Correze
- <
  Philips
- f
- L
  Mazda Brussels
- N
  Matsushita,Philips Takatsuki
- ∆
  Philips Copenhagen
- %
  Eindhoven
- ⊿
  Philips Heerlen
- ∶
  Philips Eindhoven
- +
  Philips Sittard
- r
  Philips Ontario
- S
  Philips,Miniwatt Barcelona
- T
  Philips Eindhoven
- X
  Philips Sittard
- Y
  Philips Sittard
- Z
  Philips Monza
- F
  R/T La Radiotechnique Suresnes
- FRS
  R/T La Radiotechnique Suresnes
- FSE
  R/T La Radiotechnique Saint-Égrève
- ±
  R/T La Radiotechnique Chartres
- =
  R/T La RadioTechnique Clichy
- >
  R/T La Radiotechnique Visseaux
- ⋕
  Siemens Munchen
- B
  Telefunken Berlin
- U
  Telefunken Ulm
- AU
  Tungsram
- D
  Valvo Hamburg
- 337 Westinghouse
  Westinghouse
- AXA
- FSE
  CSF Saint-Égrève
- ⩀
  Ei
- PDA
  Philips Alberton
- C
  Philips Alberton
- Reflektor
  Reflektor Saratov
- E
  RTC Corrèze
- Voshkod Kaluga
Year

If you know the year of production.
Bottle Height
- Short Bottle
- Half Bottle
- Tall Bottle
Tip Shape
- Cathode Connector
- Dimped Tip
- Pinched Waist
- Pinched Waist
- Round Tip
Bottle Shape
- Coke Bottle
- Fat Bottle
- Skinny Bottle
Glass Color
- Black
- Clear
- Grey
- Smoked
Mica
- Double
- Triple
- Double Ceramic Spacer
Getter
- O-Getter Halo
- O-Getter Disk
- O-Getter Plate
- O-O Double Getter
- D-Getter
- D-D Double Getter
- □ Square Getter
- □-□ Double Square Getter
- Bottom Getter
- Side Getter
- Double Side Getter
Getter Support
- One Support
- Double Support
- Mouse Ears
Plate / Anode Look
- 3 Holes
- Finger Spring
- Grid Frame
- Holes in Plate
- Ribbed / Scale
- Ribbed Box-y
- Round
- Smooth
- Stapled
- Weld
Plate / Anode Size
- 20mm Long
- 17mm Long
- 14mm Short
Plate / Anode Color
- Black
- Matte Gray
- Shiny Gray
- Gray Shiny Nichel
Pin Color
- Gold
- Silver
Base
- Black
- Dark Brown
- Brown
- Light Brown
- Red
- Silver Metal
Special Use
- Industrial
- Medical
- Military
- Military - Joint Army Navy (JAN)
Other Marks

Any other recognizable mark or code you see on the glass?
Fake I suspect this tube has been faked. 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?
Your name Nickname or real name, if you'd like to be mentioned as thank you for sharing.
Your Email I will only use your email to contact you in case in case of problems receiving photos or such.
Pictures

Factory Code

Short Bottle

Half Bottle

Tall Bottle

Cathode Connector

Dimped Tip

Pinched Waist

Pinched Waist

Round Tip