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Old 4th January 2004, 10:36 PM   #1
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Default Western electric VT1 tubes

Where can I find fillament and plate data for western electric VT1 and VT2 tubes .
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Old 7th January 2004, 12:03 PM   #2
RS is offline RS  Germany
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Default VT1 and VT2

VT1 = 203A

Datasheet: 203A

VT2 = 205B

Datasheet of 205D (later version of 205B): 205D

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Ralf
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Old 8th January 2004, 04:27 AM   #3
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Thanks , The 205a checks out ,but the 203A is a much larger tube than the VT1'S .They are about the same size as a brass based WD12 . I was told that they are WW1 vintage .
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Old 8th January 2004, 08:02 AM   #4
RS is offline RS  Germany
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Default VT1

Sorry, my records do only point for VT1 on 203A. The VT code was a code for USA military tubes, not necessary build by WE.

If it is possible to read VT7 instead of VT1, then it might be WX12.

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Ralf
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Old 8th January 2004, 07:17 PM   #5
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Double checked ,It is a VT1 And made by western Electric for the US signal corps and the last pattent date is 1916 .
Second photo is along side a WD12
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Old 8th January 2004, 07:20 PM   #6
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2ND photo
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Old 9th January 2004, 07:44 AM   #7
RS is offline RS  Germany
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Default VT1

Yes, Mark, it is a UV-based tube. There is a CD-ROM from France listing a VT1 from 1916:

Radio and Phono Achives

On a Japanese Webpage I found the same tube like yours but also with the wrong referrer to 203A:

Click the image to open in full size.

But I'm missing any data of it, sorry.

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Ralf
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Old 19th January 2004, 03:29 AM   #8
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Found out that it crosses to a Western Electric 203 and not a 203 .
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