6021960 Prisoners\' Cells in the Penitentiary, Blackwell\'s Island, The Dark Cells are on the Lower Floor (litho) by American School, (19th century); Private Collection; (add.info.: Prisoners\' Cells in the Penitentiary, Blackwell\'s Island, The Dark Cells are on the Lower Floor. Illustration for Darkness and Daylight, or Lights and Shadows of New York Life by Mrs Helen Campbell ( A D Worthington & Co, 1893). With engravings from ?photographs taken from life? ?mostly by flash-light, and reproduced in exact fac-simile by eminent artists?.); 穢 Look and Learn.