385 A.2d 612 Crucible, Inc., Petitioner v. Commonwealth of Pennsylvania, Workmen’s Compensation Appeal Board and Louis J. Merendo, Respondents. Commonwealth Court of Pennsylvania.Argued March 2, 1978 May 1, 1978. Workmen’s compensation — Notice of injury — The Pennsylvania Workmen’s Compensation Act, Act 1915, June 2, P.L. 736 — Sufficient evidence — Credibility — Conflicting evidence. […]