United States patent 649,621
1900 scan
United States patent 1119732
1914 scan
US patent 787412
1905 scan
book by Nikola Tesla
United States patent 593138
1897 scan
poem written by Nikola Tesla
US patent 723188
1903 scan
US patent 725605
United States patent 645576
device to help explain alternating current induction motors
1908 article
early experimental wireless transmission station designed and built by Nikola Tesla
essay by Nikola Tesla