Aeronautical Lecture by Prof. Rotch

Professor A. L. Rotch h.'91, president of the Harvard Aeronautical Society, will give an illustrated lecture on "The Physics of the Atmosphere as Related to Aeronauties" in Pierce 110 tomorrow evening at 7.30 o'clock. This lecture will be free and open to all members of the University interested in aviation.

Aeronautical Society Library.

A library on aeronautics of some 20 books and magazines has been started in Gore Hall, and is being increased frequently. These books are reserved in their American History Room. Some 80 volumes and articles on aviation may be obtained at the library office.

At the last meeting of the Executive Board of the Aeronautical Society, Professors I. N. Hollis h.'99 and R. W. Willson '73, who are to lecture to the experimenting sections, were elected honorary members of the society. A rule was passed regarding new members. These will be admitted on the payment of $3 to the treasurer, A. Sweetser '11, Dana 26. Of this, $2 is an admission fee, and $1 annual dues. Men who, before December 12, signed charter membership cards, will be admitted as charter members on payment of $2.