54 S.E.2d 126 DON KEITH v. CLINCHFIELD COAL CORPORATION. 38868 Record No. 3503.Supreme Court of Virginia. June 22, 1949 Present, All the Justices. (1) Master and Servant — Duty to Warn Servant — Failure to Warn of Silicosis Hazard Not Negligence. (2) Negligence — Pleading and Practice — Evidence — Negligence Not to Be Presumed. […]