Mount Vernon Signal – 1947 Mount Vernon Signal – 6/19/1947 Mount Vernon Signal – 7/10/1947 Mount Vernon Signal – 7/17/1947 Mount Vernon Signal – 7/24/1947 Mount Vernon Signal – 7/31/1947 Mount Vernon Signal – 8/7/1947 Mount Vernon Signal – 8/14/1947 Mount Vernon Signal – 8/21/1947 Mount Vernon Signal – 8/28/1947 Mount Vernon Signal – 9/4/1947 Mount Vernon Signal – 9/11/1947 Mount Vernon Signal – 10/9/1947 Mount Vernon Signal – 10/16/1947 Mount Vernon Signal – 10/23/1947 Mount Vernon Signal – 10/30/1947 Mount Vernon Signal – 11/6/1947 Mount Vernon Signal – 11/20/1947 Mount Vernon Signal – 11/27/1947 Mount Vernon Signal – 12/4/1947 Mount Vernon Signal – 12/11/1947 Mount Vernon Signal – 12/18/1947 Mount Vernon Signal – 12/25/1947