150 A.2d 918 CHRIST, ADMINISTRATOR, ET AL. v. WEMPE [No. 177, September Term, 1958.]Court of Appeals of Maryland. Decided April 20, 1959. Motion for rehearing filed May 13, 1959, denied June 4, 1959. EVIDENCE — Opinions Of Expert Witnesses — Rule As To Admissibility — In Automobile Case, Opinion Of State Trooper As To Speed, […]