Hacker NewsJun 15

Making glass-to-metal seals for home­made vacuum tubes

https://maurycyz.com/projects/glass/1/

#HackerNews #glassmetalseals #homemadevacuumtubes #DIYprojects #vacuumtechnology #HackerNews

Making glass-to-metal seals for homemade vacuum tubes. (Maurycy's blog)