51 N.W.2d 119 AGNES GIFFORD, appellant, v. IOWA MANUFACTURING COMPANY, employer, and IOWA MUTUAL LIABILITY INSURANCE COMPANY, insurance carrier, appellees. No. 47855.Supreme Court of Iowa. January 8, 1952. EVIDENCE: Opinion — layman’s testimony a shoe was burned 1 admissible. The testimony of a layman that a shoe was burned, while an opinion, was one concerning […]