General Electric mercury arc rectifier charging station used to recharge early electric cars.
https://diqn32j8nouaz.cloudfront.net...ng_station.jpg
More:
Early Electric Car Charging | Electric Vehicle Association of Greater Washington, DC
Previously:
https://www.homemadetools.net/forum/...931#post119826
https://www.homemadetools.net/forum/...295#post131030
https://www.homemadetools.net/forum/...199#post134719
https://www.homemadetools.net/forum/...788#post124289
