Double Triode 8 pin Octal K8A

[CreÃte_Lek ♫]

CKR-6SN7GT / VT-231  Kenrad black glass

[CreÃte_Lek ♫]

1955 6SN7WGTA Sylvania brown base

[CreÃte_Lek ♫]

6SN7 GTB  Realistic Japan

[CreÃte_Lek ♫]

6SN7 GTA sylvania top chrome black base

[CreÃte_Lek ♫]

6SN7 GTB sylvania top chrome short black base

[CreÃte_Lek ♫]

6SN7 WGT sylvania plate slide

[CreÃte_Lek ♫]

12SN7 Sylvania top chrome

[CreÃte_Lek ♫]

6SN7GTA GE horseshoe getter

[CreÃte_Lek ♫]

6su7 GTY Tungsol brown base black plate

http://electronbin.com/sheets/127/6/6SU7GTY.pdf

[CreÃte_Lek ♫]

 6F8G National union  ( หลอดบรรพบุรุษของ 6sn7 )

[CreÃte_Lek ♫]

6SL7GT Tungsol round plate round mica black glass brown base

[CreÃte_Lek ♫]

  12SL7GT  Fivre

 

[CreÃte_Lek ♫]

Fivre 6SL7GT Brown Base D Getter

[CreÃte_Lek ♫]

Fivre 6SL7GT D Getter

[CreÃte_Lek ♫]

Fivre 6SN7GT D Getter 1956's

[CreÃte_Lek ♫]

Mullard ECC35 Brown Base Code 1 1950's

[CreÃte_Lek ♫]

Mullard  6SN7GTA made in Australia

[CreÃte_Lek ♫]

Baldwin yellow print 6SN7GTB

[CreÃte_Lek ♫]

Valvo 6SL7GT 1957's

[CreÃte_Lek ♫]

Tung Sol 6SL7GT

[CreÃte_Lek ♫]

Sylvania 5692 Brown Base triple mica

[CreÃte_Lek ♫]

Sicte 6SN7GT Mil Grade - Italy

[CreÃte_Lek ♫]

6SN7GTB MARCONI S.p.A. - Italy

[CreÃte_Lek ♫]

1962's RCA 5692/ECC33/6SN7  red base top chrome black plate triple mica with support rod.

[CreÃte_Lek ♫]

CV181 Mullard

http://www.r-type.org/pdfs/cv181.pdf

[CreÃte_Lek ♫]

ECC33 Mullard short black base & long brown base

[CreÃte_Lek ♫]

12SN7GT Philips

[CreÃte_Lek ♫]

12SL7GT westinghouse  long glass short base horseshoe getter gray plate 



12SL7GT Raytheon short glass long base black round plate D getter



12SL7GT Raytheon long glass short base black round plate halo getter



12SL7GT Raytheon short glass long base silver chrome round plate side horseshoe getter

[CreÃte_Lek ♫]

    6SN7 WGT Dage  (Sylvania made) top chrome brown base T black plate 3 hole

[CreÃte_Lek ♫]

B65 Marconi

- https://frank.pocnet.net/sheets/126/b/B36.pdf