An Act repealing the act of June 8, 1907 (P.L.488, No.321), entitled "A supplement to an act, entitled 'An act to provide for the better government of cities of the first class in this Commonwealth,' approved the first day of June, one thousand eight hundred and eighty-five; creating a Department of Wharves, Docks, and Ferries, for the improvement, regulation, and supervision of the construction, extension, alteration, maintenance, and use of wharves, piers, bulkheads, docks, slips, basins, ferries, harbors, and harbor structures, in cities of the first class; and providing for the making and enforcement of rules and regulations, and fixing certain penalties for violation thereof; and providing for the acquisition of property by said cities, by purchase and by condemnation, for certain purposes."