On Monday the Harvard Engineering Society will hold its last meeting of the year. The main feature of the meeting, which will take place at 7.30 o'clock in Pierce Hall 110, will be an illustrated lecture on "Adventures in Aeronautics", by Mr. W. van Haitsman of the Boeing Aeronautical School, in Oakland, California.

The lecture will be delivered under the auspices of the Harvard Chapter of the American Society of Mechanical Engineers, Mr. Haitsman will show motion pictures. The meeting will be open to all members of the Society and their friends, and any member of the University interested in aviation may attend. Refreshments will be served after the lecture.