446 A.2d 733 Wilbur P. Tyson, Petitioner v. Commonwealth of Pennsylvania, Workmen’s Compensation Appeal Board, City of Chester and Pennsylvania Manufacturer’s Association Insurance, Respondents. Commonwealth Court of Pennsylvania.Argued March 1, 1982 June 18, 1982. Workmen’s compensation — Act of June 28, 1935, P.L. 477 — Subrogation — Credit for payments of salary — The Pennsylvania […]