File:Spark-gap-tube.jpg

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	00:54, 1 September 2008		2,654 × 866 (150 KB)	Shieldforyoureyes	{{Information \|Description={{en\|1=A Spark-gap tube. }} \|Source=Own work by uploader \|Author=Shieldforyoureyes Dave Fischer \|Date=2008-08-31 \|Permission= \|other_versions= }} <!--{{ImageUpload\|full}}-->

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