Keywords: APPARATUS FOR TRANSMISSION OF ELECTRICAL ENERGY.gif en Drawing from U S Patent No 649 621 Apparatus for Transmission of Electrical Energy showing a system for the wireless transmission and reception of electrical energy through the earth ™s rarefied upper atmosphere with ground for return 2012-12-05 09 32 41 APPARATUS FOR TRANSMISSION OF ELECTRICAL ENERGY Sept 2 1897 U S Patent No 649 621 May 15 1900 Nikola Tesla PD-USGov Check categories 2012 December 11 en wikipedia Wardenclyffe_Tower 2 Uploaded with UploadWizard Wardenclyffe Tower |