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Please help me to identify this very old tube

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Forum » Valves / tubes - Semiconductors » Very rare valves or unknown (not in RMorg) » Please help me to identify this very old tube
           
Ottó Jancsek
Ottó Jancsek
 
H  Articles: 7
Schem.:
Pict.: 10
14.Apr.19 18:35

Count of Thanks: 2
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I have the attached tube. It looks very old. There isn't any sign on it. It's a triode. The base looks UV. I think it's manufactured by Moorhead, but I'm not sure. Has anybody idea about it's manufacturer and/or type?

Best regards,

Otto

 

 

Attachments:

Hilmer Grunert
Hilmer Grunert
Editor
D  Articles: 368
Schem.: 1613
Pict.: 652
19.Apr.19 01:31
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Hello Ottó

it seems to be an Electron Relay from de Forest or Marconi - Marconi has an rubber-stamped on base - like Your tube.

Foto is from : Saga of Vacuum Tube by Gerald F.J.Tyne

This article was edited 19.Apr.19 01:33 by Hilmer Grunert .

Ottó Jancsek
Ottó Jancsek
 
H  Articles: 7
Schem.:
Pict.: 10
19.Apr.19 18:55
Reply  |  You aren't logged in. (Guest)   3

Hello Hilmer,

Thank you for your effort. It looks the closest I have ever seen. 

Best regards,

Ottó

  
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