ended the whole height of each story, so as to make it impossible for a prisoner to jump over or force his keeper or other prisoners over the balcony rail. The inelosure of each balcony separately gives the keeper an easy means of separating different classes of prisoners and of taking each class… … in prison construction. Ventilation and the separation of each tier of cells is CENTRAL EXERCISE CORRIDOR AND BALCONIES, ERIE COUNTT PENITENTIARY, secured in the following way : On the outer walls of BUFFALO. ) 1897 SCIENTIFIC AMERICAN, INC.
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