300 A.2d 304 Barr v. B B Camper Sales. Commonwealth Court of Pennsylvania.Argued December 7, 1972 February 7, 1973. Workmen’s compensation — Scope of appellate review — Abuse of discretion — Error of law — Words and phrases — Employe — The Pennsylvania Workmen’s Compensation Act, Act 1915, June 2, P. L. 736 — Master-servant […]