UNIVERSITY OF VIRGINIA PUBLICATIONS 



BULLETIN 



PHILOSOPHICAL SOCIETY 



Scientific Series, Vol. I, Xo. 21, pp. 4i3-13<i, August, 191i 



Tlie Foiicault Pendulum as a Lecture Room 

 Experiment 



BY 



FRANCIS H. SMITH 



UNIVKRSITT OF A'lUGINlA 



Charlottesville, Virsiiiia, TT. S. A. 



