"Sound Waves" to Be Lecture Subject

The first of a series of three lectures, all to be illustrated by experiments, will be given this evening in the large lecture room of the Jefferson Physical Laboratory at 8 o'clock, when Associate Professor F. A. Saunders will speak on "Sound Waves". One week from this evening Dr. E. C. Kemble '14 will speak on "Atomic Explosions", while the final lecture, the subject of which is "Electron Tubes: Amplifiers, Detectors, and Oscillators", will be given by Professor E. L. Chaffee '08.

These lectures are open to the public and are especially intended for school teachers and their pupils. The lectures are given under the auspices of the Physics department.