346 A.2d 916 Workmen’s Compensation Appeal Board of The Commonwealth of Pennsylvania and Thelma A. Sampson v. Brockway Glass Company, Inc. #7, Appellant. Commonwealth Court of Pennsylvania.Argued September 12, 1975 October 28, 1975. Workmen’s compensation — Petition to modify agreement — Burden of proof — Specific loss — The Pennsylvania Workmen’s Compensation Act, Act 1915, […]