File:Triode REN904.jpg

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	12:55, 31 August 2008		1,064 × 740 (195 KB)	commons>32bitmaschine	{{Information \|Description={{en\|1=Triode REN 904. Early Telefunken vacuum tube. Manufactured ca. 1930 - 1935. The german book lying in the background is "Die Rundfunktechnik" by W.Lehmann, printed in 1930)}} \|Source=Own work by uploader \|Author=[[User:3

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