In Crawfordsville, Indiana, there's a rotary jail: an invention that, with hindsight, should probably never have been built. But it was, here and in other towns across the United States. It might have sounded like a good idea on paper, but in practice, it had a few unfortunate problems... including occasional accidental amputations.

More about the Rotary Jail Museum: http://www.rotaryjailmuseum.org/

Edited by Michelle Martin, @mrsmmartin

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