Mr. a^d Mrs. William Avery, 22i Parker avenu«,Mue, have received word that their son, William Avery, Jr., has been promoted to corporal.He graduated April 4 from the radio operators’ and mechanics’6 c h o o 1 at llm Sioux Falls, S. D.-air base.Corp. Avery has been transferred to gunnery school at Las Vegas,Nev. A brother. Howard, entered the Army April 20.Avery