Making glass-to-metal seals for home­made vacuum tubes

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Navigation: Homepage     Index     Yearly archives Fun Astrophotography     (catalog) About this site Real pages Dark Light TTY Making glass-to-metal seals for homemade vacuum tubes. 2026-06-13 (Electronics) This page discusses sealing metal through borosilicate/lab glass: other chemistries behave quite differently. When making vacuum tubes, the glass is actually the easy part: premade tube stock of almost any size is easily available.

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