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this post was submitted on 15 Mar 2024
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What's the bottom right image of?
That is a mercury arc rectifier:
https://en.wikipedia.org/wiki/Mercury-arc_valve
I thought you might also enjoy its German name: Quecksilberdampfgleichrichter
Sounds kinda similar to the Swedish word "kvicksilverbågelikriktare"....
EDIT: After doing some more googling, the proper name for the device in Swedish is:
"Kvicksilverlikriktare"
and sounds nothing like the hungarian "higanyív szelep" or "higanygőz egyenirányító"
Or its Dutch name:
Kwikdampgelijkrichter
It shows Cherenkov radiation of a nuclear underwater reactor (I think, I don't know this exact picture)
Nope, just plain UV from the mercury arc in the rectifier:
https://en.wikipedia.org/wiki/Mercury-arc_valve