272 N.W. 602 HARM KNEPPE, Appellee, v. MEINT HUISMANN, Appellant. No. 43775.Supreme Court of Iowa. April 6, 1937. AUTOMOBILES: Injuries from operation — safety precautions — violation — negligence per se. The operation of a horse-drawn vehicle on the highway during the nighttime without displaying on said vehicle “one or more white or tinted lights […]