113 A.2d 454 Jameson v. Pittsburgh, Appellant. Supreme Court of Pennsylvania.November 12, 1954. April 18, 1955. Municipalities — Pittsburgh — Employees — Firemen — Policemen — Retirement compensation — Increase after retirement — Constitutional law — Article III, § 11 of Constitution — Acts of 1953, P. L. 978, P. L. 1003 and P. L. […]