![A Christmas Carol': Sending the Poor to Prison - Economic Opportunity Institute Economic Opportunity Institute A Christmas Carol': Sending the Poor to Prison - Economic Opportunity Institute Economic Opportunity Institute](https://www.opportunityinstitute.org/wp-content/uploads/Treadmill.jpg)
A Christmas Carol': Sending the Poor to Prison - Economic Opportunity Institute Economic Opportunity Institute
![Prisoners working at the treadmill and others exercising in the vagrants' prison, Coldbath Fields. The first treadmill was installed in Brixton Prison in 1817. Date: circa 1860 Stock Photo - Alamy Prisoners working at the treadmill and others exercising in the vagrants' prison, Coldbath Fields. The first treadmill was installed in Brixton Prison in 1817. Date: circa 1860 Stock Photo - Alamy](https://c8.alamy.com/comp/G3BCP8/prisoners-working-at-the-treadmill-and-others-exercising-in-the-vagrants-G3BCP8.jpg)
Prisoners working at the treadmill and others exercising in the vagrants' prison, Coldbath Fields. The first treadmill was installed in Brixton Prison in 1817. Date: circa 1860 Stock Photo - Alamy
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