26 A.2d 924 Sinclair et al. v. Perma-Maid Co., Inc., Appellant. Supreme Court of Pennsylvania.May 12, 1942. June 29, 1942. Negligence — Automobiles — Principal and agent — Salesman — Use of own automobile — Liability of employer. Where a traveling salesman uses his own automobile while proceeding from one prospective customer to another and […]