Title :
A physical phenomenon and its applications to telegraphy, telephony, etc.
Author :
Johnsen, Alfred ; Rahbek, Knud
fDate :
7/1/1923 12:00:00 AM
Keywords :
electricity and magnetism; radiotelegraphy; telegraphy;
Journal_Title :
Electrical Engineers, Journal of the Institution of
DOI :
10.1049/jiee-1.1923.0092
