LECTURE ON AERONAUTICS

Mr. Henry Helm Clayton of the Blue Hill Meteorological Observatory will speak on "Navigating the Air," in the Living Room of the Union this evening at 8 o'clock. The lecture will be open only to members of the Union.

Last year Mr. Clayton spoke in the Union on his experiences in the international balloon race from St. Louis to New Jersey. Mr. Clayton has been astronomical observer at Ann Arbor, Michigan, at the University Observatory, and since 1894 has been meteorologist at the Blue Hill Observatory, Milton. He has written many books upon meteorology and has invented several instruments.