II. My First Efforts At Invention March 14, 2014March 14, 2014 by swiss_admin swiss_admin No comments yet ABSTRACT – TESLA’S AUTOBIOGRAPHY II. My First Efforts At Invention I shall dwell briefly on these extraordinary experiences, on account of their possible interest to students of psychology and physiology and … Post navigation Electrostatic propulsion means – 3071705V. The Magnifying Transmitter