Title :
A Note on the Directional Observations on Grinders in Japan
Author :
Yokoyama, Eitaro ; Nakai, Tomozo
Author_Institution :
Electrotechnical Laboratory, Ministry of Communications, Tokyo, Japan
Keywords :
Assembly; Atmospheric waves; Extremities; Fading; Grinding machines; Telephony;
Journal_Title :
Radio Engineers, Proceedings of the Institute of
DOI :
10.1109/JRPROC.1929.221680