SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOLUME 89, NUMBER 3 



IRoebling Jfunb 



THE KAMPOMETER, A NEW INSTRUMENT 



OF EXTREME SENSITIVENESS FOR 



MEASURING RADIATION 



BY 

 G. G. ABBOT 



Secretary, Smithsonian Institution 



(Publication 3211) 



CITY OF WASHINGTON 



PUBLISHED BY THE SMITHSONIAN INSTITUTION 



FEBRUARY! 8, 1933 



