Proceedings of the American Academy of Arts and Sciences. 

 Vol. XXXIX. No. 14.— January, 1904. 



CONTRIBUTIONS FROM THE JEFFERSON PHYSICAL LABORATORY, 



HARVARD COLLEGE. 



INFLUENCE OF OCCLUDED HYDROGEN ON THE 

 ELECTRICAL RESISTANCE OF PALLADIUM. 



By W. E. McElfresh. 



?4EW V '■'•'■" 

 BO' <1CAL 



