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Making glass-to-metal seals for homemade vacuum tubes (news.ycombinator.com)

2026-06-14 | get Vacuum Tube Glass Seal Kit → | tags: vacuum tubes, glass-to-metal seals, borosilicate glass

The Surprisingly Long Life of the Vacuum Tube (news.ycombinator.com)

2026-05-11 | by Brian Potter | get Vacuum Tube Kit → | tags: vacuum tube, semiconductors, ccd sensors

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