2 A.2d 834 Williams v. Samuel et al. Supreme Court of Pennsylvania.November 28, 1938. December 5, 1938. Municipal corporations — Public improvements — Creation of general authorities — Water and sewerage systems — Self-liquidating projects — Philadelphia Authority — Acts of June 28, 1935, P. L. 463, and May 20, 1937, P. L. 739 — […]