Penitentiary, Blackwell's Island, N.Y.

Blackwell's Island. The penitentiary.

Blackwell's Island. The penitentiary.

Blackwell's Island. The penitentiary.

Blackwell's Island. The Lock-step Penitentiary.

Blackwell's Island. The Lock-step Penitentiary.

Blackwell's Island. The Lock-step Penitentiary.

Blackwell's Island. Prisoners Breaking Stone.

Blackwell's Island. Prisoners Breaking Stone.

Blackwell's Island. Prisoners breaking stone.

Blackwell's Island. Prisoners Breaking Stone.

Episcopal Seminary, Greenwich ; Oil Cloth Manufactory, Greenwich ; Fulton Market ; Penitentiary Blackwell's Island.

[Blackwell's Island.]

Blackwell's Island. Interior of Penetentiary, dark cells in foreground.

Blackwell's Island, Cell in Penitentiary.

Blackwell's Island, Cell in Penitentiary.

Blackwell's Island, Cell in Penitentiary.

Blackwell's Island. Interior of Penetentiary, dark cells in foreground.

Blackwell's Island. Interior of Penetentiary, dark cells in foreground.

[Prison on Roosevelt Island.]