Some of the problems of atmospheric elimination in wireless reception /
Coursey, Philip Ray.
Wireless Society of London.
London :  [s.n.], 
1920.
Caption title.
Reprinted from 'The wireless world', 12th and 26th June, 1920.
Paper read at the ordinary general meeting held on May 21st 1920 in the lecture hall of the Institution of Civil Engineers.
Telegraph, Wireless.