188 N.W.2d 877 REGINA POGALZ v. RUBY G. MILLER AND ANOTHER. No. 42641.Supreme Court of Minnesota. July 2, 1971. Automobiles — making left turn at night — use of hand and arm signal. Minn. St. 169.19, subd. 7, authorizes the use of a hand and arm signal in making a left turn at night unless […]