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Abolitionist Passmore Williamson photographed in his prison cell in Moyamensing Prison in Philadelphia, Pennsylvania,
Internet - Original source ill-defined
The Chubachus Library of Photographic History, The Chubachus Library of Photographic History. Source requested.
He was imprisoned for 100 days for giving evasive testimony about the role he played in helping to free three African American slaves owned by United States Minister to Nicaragua John H. Wheeler.