File:Power Dissipation Vaccuum Tubes.jpg

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Power_Dissipation_Vaccuum_Tubes.jpg ‎(280 × 599 pixels, file size: 21 KB, MIME type: image/jpeg)

A 2005 photo of a vaccuum tube that can perform at a reduced input

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	19:04, 5 March 2012		280 × 599 (21 KB)	Beichner (talk \| contribs)

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