198 A. 637 Arthur, Appellant, v. Pittsburgh et al. Supreme Court of Pennsylvania.March 29, 1938. April 18, 1938. Municipal corporations — Police — Promotion — Civil service — Service record — Continuity — Act of May 23, 1907, P. L. 206. Under section 16 of the Civil Service Act of May 23, 1907, P. L. […]