NIKOLA TESLA COLORADO SPRINGS NOTES, 1899–1900 These may also interest you... THE STEINER–TESLA ENIGMA FANTASTIQUE WILLIAM GORDON ALLEN1966 TRANSMISSION OF POWER: POLYPHASE SYSTEM: TESLA PATENTS NIKOLA TESLA1893 NIKOLA TESLA: ELECTRICAL GENIUS ARTHUR J. BECKHARD1959 FREEDOM OF INFORMATION RELEASE ON SUBJECT: NIKOLA TESLA, FILE #: 100–2237 TESLA: THE LOST INVENTIONS GEORGE TRINKAUS1988 ON LIGHT AND OTHER HIGH FREQUENCY PHENOMENA NIKOLA TESLA1893 PRODIGAL GENIUS: THE LIFE OF NIKOLA TESLA JOHN JOSEPH O’NEILL1944 INVENTIONS RESEARCHES AND WRITINGS OF NIKOLA TESLA THOMAS COMMERFORD MARTIN1894 THE U.S. PATENTS OF NIKOLA TESLA