jan 1, 1824 - By 1824, there were treadmills in at least 54 prisons in Britain

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By 1824, there were treadmills in at least 54 prisons in Britain – including 3 in Wales.

Source: https://www.open.edu/openlearn/history-the-arts/history/the-legacy-the-victorian-prison-treadmill

Image: The treadmill at Brixton Prison, pictured in an 1817 London broadside held by the British Library.
https://www.bbc.co.uk/programmes/articles/4w8bVrKRqQDP4fKl0b8XzdW/the-dark-history-of-the-treadmill

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