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Mercury-arc rectifier used to power electric trains.
https://diqn32j8nouaz.cloudfront.net..._rectifier.jpg
Previously:
https://www.homemadetools.net/forum/...286#post134964
https://www.homemadetools.net/forum/...149#post161075
https://www.homemadetools.net/forum/...811#post133354
https://www.homemadetools.net/forum/...903#post140545
https://www.homemadetools.net/forum/...720#post159600
Fascinating, I had to know more about that...
https://en.wikipedia.org/wiki/Mercury-arc_valve
Also used in older cinemas (movie theatres) to rectify for the arc light source in the projectors, one I worked in 35 years ago had a row of these under the old projection room floor, unused by then and still full of mercury, the mercury was worth a bit, but no-one wanted it, as far as I know they're still there.Quote:
Originally Posted by Altair
Wow that's soooo cool!