Introduction

recorded in history." This was not a reckless statement, for Tesla reports that he had carefully reviewed Hertz' experiments, conducted comparative tests with his own brand of radio and had come to a different set of conclusions. Tesla said, "I considered this so important that in 1892 I went to Bonn, Germany to confer with Dr. Hertz in regard to my observations. He seemed disappointed to such a degree that I regretted my trip and parted from him sorrowfully." Tesla made subsequent tests in 1900 with the same results and kept abreast of articles on Hertzian radio telegraphy, which, he said, always impressed him "like works of fiction."

suppressed information

In this book I attempt to break down Tesla's radio into a set of specific principles and to survey the whole of radio technology from Tesla's perspective. While I have studied some out of print literature, much of my information comes from reprints still available. These titles I cite in the “For More Information” section together with addresses for ordering and URLs when available.

For the core material on Tesla, what you have in print is one fat hardcover book, Colorado Springs Notes, eight U.S. patents, and a few magazine articles by Tesla himself, one of which is titled "The True Wireless." The biggest single source, Colorado Springs Notes, embraces only