34 A.2d 765 HERBERT C. BEYER ET AL. v. MAYOR AND CITY COUNCIL OF BALTIMORE [No. 48, October Term, 1943.]Court of Appeals of Maryland. Decided December 15, 1943. Municipal Corporations — Zoning — Non-conforming Use — Abandonment. Where property used for slaughter house purposes, a non-conforming use under zoning ordinance, is used casually for the […]