53 A.2d 562 PENNSYLVANIA RAILROAD CO. v. STATE OF MARYLAND, TO USE OF MAY RUTH BREWER, ET AL. [No. 148, October Term, 1946.]Court of Appeals of Maryland. Decided June 11, 1947. Railroads — Grade Crossings — Negligence — Failure to Guard Crossing — Custom — Last Clear Chance. Railroad rule requiring stationing of a flagman […]