Download or read book Colorado Springs Notes, 1899-1900 written by Nikola Tesla and published by . This book was released on 1978 with total page 446 pages. Available in PDF, EPUB and Kindle. Book excerpt: His research diary. It reveals his mind during an important period of research and shows the enthusiasm and fervor he put into his projects. Moving to Colorado Springs to work with millions of volts of tremendous potentials, he found the earth could be set into electrical oscillation creating a source of free energy available at all spots on the globe with the use of a simple tuning apparatus.