It seems very old, maybe more than 50 years, and it doesn't have an information plate.
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Could be a Tesla Coil, or a Van De Graaff generator. – Mike Schroedel Feb 26 '22 at 06:50
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Seems most likely to be a Van de Graaf generator. – Russell McMahon Feb 26 '22 at 08:41
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2Most VdGGs have much slimmer shafts relative to the capacitive cap. [images here](https://www.google.com/search?tbs=simg:CAESgAEafgsQsIynCBpiCmAIAxIo8wzyDJENkA30DIsNhw3vDI8N3wySNsch4SeONvAn7if-J_1k12CeEPhowNQKL1DG6XrYEQlDC00XwnXNcT3EjVlnDDtNOh-lmYjBd8Lqzfkc0eilKASWYVcIsIAQMCxCOrv4IGgoKCAgBEgThSyoKDA&sxsrf=APq-WBtUiDYn14FJkoVbRU-vhp0axC6tIQ:1645864976394&q=van+de+graaf+&tbm=isch&sa=X&ved=2ahUKEwiVhJDq_Jz2AhVcSGwGHXUyC3wQjJkEegQIAhAC&biw=1827&bih=1028&dpr=2) – Russell McMahon Feb 26 '22 at 08:45
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Send it to me, I'll figure it out. – Mike Schroedel Feb 26 '22 at 08:49
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What a cool piece of kit. It can make extremely high voltages. Use with care. – Autistic Feb 26 '22 at 06:53
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yeah sure. what is its scientific name? for searching and finding more info about it. – WeTech Feb 26 '22 at 06:59
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@MikeSchroedel do you mean more photos? how can i send directly? – WeTech Feb 26 '22 at 09:56
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1If you walk towards it and your hair starts to stand up, walk away from it and find out how to discharge it safely. – Andrew Morton Feb 26 '22 at 12:02
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My Kirby vacuum cleaner! – John Canon Feb 26 '22 at 19:14
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Could well be a voltage divider/probe to allow measurment of an ehv system. – colintd Feb 03 '23 at 00:21