Private Services for Mrs. Florine Graff Old, 75, widow of Vice Adm. Francis P. Old, will be held in Arlington National Cemetery in Virginia. Mrs. old, a longtime resident of Lake Forest, died Thursday in the United States Naval Hospital at Great Lakes. Her late husband served as commandant of the 9th Naval District and later as executive director of the Illinois Toll Road Commission. He commanded the battleship USS Indiana during World War II. Mrs. Old is survived by two daughters, Mrs. Beverley Robie and Mrs. Claudia Chandler, and five grandchildren.