EVGRAY Archive

Gray tube

1 messages · 2018-06-13T23:18:04+00:00 → 2018-06-13T23:18:04+00:00

[1/1] Gray tube

2018-06-13T23:18:04+00:00 · Warren Keillor <[email protected]>
Message-ID: <[email protected]> 
I found my Gray tubeIt has silver ends on the carbon rods at the spark gapCheers Warren

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