Page 741   229 A.2d 741    425 Pa. 430    Mahlon BOLLINGER and Vinetta C. Bollinger v. CENTRAL PENNSYLVANIA QUARRY STRIPPING AND CONSTRUCTION CO., Appellant.    Supreme Court of Pennsylvania.    May 24, 1967.  Edward C. First, Jr., Harrisburg, John E. Cotsack, Hazleton, Elaine M. Kalenevitch, Harrisburg, McNees, Wallace & Nurick, Harrisburg, for appellant. […]