Oxygen concentrator
Dalibor2013-05-11T13:39:02+01:00I decided to switch to oxygen concentrators from liquid oxygen [...]
Another update: digits for nixie tubes
Dalibor2013-05-03T19:48:36+01:00It has been some time since my last blog post, [...]
Reinventing Nixie tubes through design, research, and craftsmanship.
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