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12AU7.jpg (485 × 479 pixels, file size: 75 KB, MIME type: image/jpeg)

Summary

Description RFT "thin-plate" ECC82 variant (left), RCA 12AU7A variant (right). I created this image myself from tubes in my collection.
Date 2 April 2006 (original upload date)
Source Originally from en.wikipedia; description page is/was here.
Author Tvezymer at English Wikipedia

Licensing

Public domain This work has been released into the public domain by its author, Tvezymer at English Wikipedia. This applies worldwide.
In some countries this may not be legally possible; if so:
Tvezymer grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

Transwiki approved by: w:en:User:Krimpet

Original upload log

date/time username resolution size edit summary
11:08, 2 April 2006 Tvezymer 485×479 77,126 (I created this image myself from tubes in my collection.)

page history

oldid date/time username edit summary
150931767 05:13, 18 August 2007 Krimpet
150931767 10:19, 13 August 2007 Liftarn
46582369 11:08, 2 April 2006 Tvezymer (I created this image myself from tubes in my collection.)

en:12AU7

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2 April 2006

image/jpeg

af67876e639e2f5215b4117fb3361acce5735839

77,126 byte

479 pixel

485 pixel

File history

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Date/TimeThumbnailDimensionsUserComment
current06:34, 18 August 2007Thumbnail for version as of 06:34, 18 August 2007485 × 479 (75 KB)BetacommandBotThis image was copied from wikipedia:en. The original description was: == Summary == I created this image myself from tubes in my collection. == Licensing == {{PD-self}} {{to Commons}} Transwiki approved by: w:en:User:Krimpet === File history == {|

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