339 A.2d 190 Alice R. Rinck, Appellant, v. Zoning Board of Adjustment, Appellee. Commonwealth Court of Pennsylvania.Argued April 4, 1975 May 21, 1975. Zoning — Scope of appellate review — Abuse of discretion — Error of law — Findings of fact — Substantial evidence — Variance — Burden of proof — Unnecessary hardship — Public […]