Proceedings of the American Academy of Arts and Sciences. 

 Vol. XLVI. No. 13. — January, 1911. 



CONTRIBUTIONS FROM THE JEFFERSON PHYSICAL 

 LABORATORY, HARVARD UNIVERSITY. 



THEORY OF COUPLED CIRCUITS, UNDER THE ACTION 



OF AN IMPRESSED ELECTROMOTIVE FORCE, WITH 



APPLICATIONS TO RADIO TELEGRAPHY. 



By George W. Pierce. 



