HISTORY OF ELECTRICAL RESONANCE 433 



27. G. Marconi, "Improvements in Ai)paratus Employed in Wireless Telegraphy," 



Briiish Patent No. 12,326; fried June 1, 1898, accepted July 1, 1899. 



28. William Crookes, "Some Possibilities of Electricity," The Forlnightly Review, London, 



pp. 173-181; Feb., 1892. 



29. Oliver Lodge, "Improvements in Svntonized Telegraphy without Line Wires," 



British Patent No. 11,575; filed May 10, 1897, accepted Aug. 10, 1898. 



30. Oliver Lodge, "Past Years, An Autobiography," p. 236. Charles Scribner's Sons, 



New York^, 1932. 



31. Reference 30, p. !?>?>. 



3)2. G. ^larconi, "Improvements in Apparatus for Wireless Telegraphy," British Patent 

 No. 7777; filed April 26, 1900, accepted April 13, 1901. 



