An Act amending the act of May 25, 1907 (P.L.247, No.191), entitled "An act authorizing the employment of male prisoners of the jails, and workhouses of this Commonwealth upon the public highways of the several counties, and regulating the same; and providing for the establishment of Prison Boards, the purchase of material and tools, and employment of deputies, at the expense of the proper county, and a penalty for the escape of prisoners while employed outside of said jails, workhouses," further providing for labor.