[44] Comptes Rendus, Vol. CXXX., p. 902, 1900; Science Abstracts, Vol. III., p. 615.
[45] See Proc. Roy. Soc., London, Vol. LXXI., p. 402.
[46] See Report by Capt. Quintino Bonomo, "Telegrafia Senza Fili," Rome, 1902; L'Elettricista, Ser. II., Vol. I., pp. 118, 173.
[47] See Royal Institution, Friday evening discourse, by Mr. Marconi, June 13, 1902; also The Electrician, Vol. XLIX., p. 490; also a letter to The Times of July 3, 1902, by the Marchese Luigi Solari.
[48] See U.S.A. Patent Specification No. 700,161, May 24, 1900.
[49] See E. Marx, Phys. Zeitschrift, Vol. II., p. 249; Science Abstracts, Vol. IV., p. 471. See also German Patent Specification No. 121,663, Class 21a.
[50] See "The Scientific Writings of Professor Joseph Henry."
[51] Phil. Trans. Roy. Soc., London, 1897, Vol. CLXXXIX.a, p. 1.
[52] See Proc. Roy. Soc., London, June 12, 1902. "Note on a Magnetic Detector for Electric Waves which can be employed as a Receiver for Space Telegraphy," by G. Marconi.
[53] See U.S.A. Patent Specification No. 716,000, Application of July 5, 1901.