this post was submitted on 24 Dec 2024
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A penal treadmill (penal treadwheel or everlasting staircase) was a treadwheel or treadmill with steps set into two cast iron wheels. These drove a shaft that could be used to mill corn, pump water, or connect to a large fan for resistance.

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[–] Nawor3565@lemmy.blahaj.zone 20 points 2 days ago

God damn, that looks terrible. It's not just a treadmill, it's basically a stairlift that prisoners and slaves were forced to use. And anyone who's used a stairlift knows how brutal of a workout they are.