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1869.] Descriptions. 629
FIG. 1.-PLAN FOR THE SYSTEM OF HEATING AND VENTILLATION
OF THE
MALE DEPARTMENT, PENNSYLVANIA HOSPITAL FOR THE INSANE, PHILADELPHIA, PA.
1869.] Descriptions. 629
FIG. 1.-PLAN FOR THE SYSTEM OF HEATING AND VENTILLATION
OF THE
MALE DEPARTMENT, PENNSYLVANIA HOSPITAL FOR THE INSANE, PHILADELPHIA, PA.
