2. Letter, Tesla to Katharine Johnson, March 9, 1899, Special Collections, 
Butler Library, Columbia University.
3. Letter, Tesla to Robert U. Johnson, March 25, 1899, Special Collections, 
Butler Library, Columbia University.

4. Tesla, «Inventions», pp. 64—67;
Electrical Experimenter,
June 1919, pp. 112-76.

5. Ibid.

6. Tesla,
Colorado Springs Notes,
pp. 127—33, 165, Tesla Museum with Nolit, Belgrade, Yugoslavia, 1978.


7. Tesla,
Colorado Springs Notes,
pp. 167, 168; Leland I. Anderson, «Wardenclyffe — A Forfeited Dream»,
Long Island Forum,
August, September 1968. See also
The Teslian,
November 1955, Butler Library, Columbia University.


8. James R. Wait, «Propagation of ELF Electromagnetic Waves and Project 
Sanguine/Seafarer»,
IEEE Journal of Oceanic Engineering,
V o l OE-2, No. 2 (April 1977).

9. Microfilm letter, George Scherff to Tesla, early 1899, Library of Congress.
10. Microfilm letter, Tesla to Scherff, April 13, 1899, Library of Congress.
11. Microfilm letter, Tesla to Robert U. Johnson, August 16, 1899, Library of 
Congress.

12. Tesla,
Colorado Springs Notes,
pp. 127—33.


13. Nikola Tesla, «Transmission of Energy Without Wires»,
Scientific American Supplement,
June 4, 1904, pp. 23760—1. (Reprint of
Electrical World & Engineering,
March 5, 1904; description of Colorado Springs experiments.)


14. Ibid. See also O'Neill,
Genius,
pp. 179—81.



Глава 14.
Авария в
Колорадо-Спрингс



1. Tesla, «Transmission»; O'Neill,
Genius,
p. 180.


2. Tesla, «Transmission»; Tesla,
Colorado Springs Notes,
p. 62.

3. Ibid.
4. Ibid.

5. Tesla,
Colorado Springs Notes.
Microfilm letter, Tesla to George Westinghouse, January 22, 1900, Library of 
Congress.


6. O'Neill,
Genius