: The text includes highly detailed technical notes on resonance vibrations, inductance , and the properties of the upper atmosphere .

is a comprehensive research diary detailing Tesla's high-voltage, high-frequency electricity experiments conducted at his experimental station in Colorado Springs . Originally published in 1978 by the Nikola Tesla Museum , the book serves as a primary source for researchers studying his development of the Magnifying Transmitter and wireless power transmission . Key Features and Content

: It captures Tesla's mind during a pivotal nine-month period (May 1899 to January 1900) where he claimed to have successfully powered lights wirelessly and detected terrestrial stationary waves .

: Many editions include Tesla's original sketches, diagrams, and iconic photographs—such as the famous (double-exposed) image of him sitting among 22-foot electrical arcs . Purchase Options

This book is available in several formats across major retailers: Nikola Tesla: Colorado Springs Notes, 1899-1900