This is a peephole from a solitary confinement cell cell at Port Arthur. There were 12 cells, measuring 3m x 1.5m, used for solitary confinement. Convicts there would sleep on a narrow wooden shelf, the only furnishing in the cell, and were watched through a peephole in the cell door.A rectangular iron peephole from a prison door. it has a bolted metal flap that can be pushed aside to allow an outside person a view of the inside of the cell.peephole port- arthur convict