An Act amending the act of April 18, 1949 (P. L. 599, No. 126), entitled "An act establishing, within the limits of Philadelphia, the Eastern Pennsylvania Psychiatric Institute as a State institution; providing for a board of trustees and a medical advisory board therefor; conferring powers and imposing duties upon the Department of Property and Supplies, the Department of Welfare, the board of trustees and the medical advisory board," further providing for treatment of patients; authorizing the leasing of certain property and further providing for certain agreements.