Proceedings of the American Academy of Arts and Sciences. 



Vol. L. No. G. — January, 1915. 



CONTRIBUTIONS FROM THE JEFFERSON PHYSICAL 

 LABORATORY, HARVARD UNIVERSITY. 



PLANCK'S RADIATION FORMULA AND THE CLASSICAL 



ELEC TROD YNA MICS. 



By David L. Webster. 



Investigations on Light and Heat published with Aid from the 



Romford Fund. 



