Colorado Springs Notes, 1899–1900


Colorado Springs Notes, 1899–1900 is a book compiled and edited by Aleksandar Marinčić and Vojin Popović detailing the work of Nikola Tesla at his experimental station in Colorado Springs at the turn of the 20th century.

Preface

Tesla's notes at the Colorado Springs experimental station were unpublished until the release of this book. Arrangements through the Nikola Tesla Museum allowed Aleksandar Marinčić to make commentaries on the notes. The Nikola Tesla Museum published the work to mark the 120th anniversary of Tesla's birth.

Introduction

Tesla was focused on his research for the practical development of a system for wireless transmission of power and a utilization system. Tesla said, in "On electricity", Electrical Review :
Tesla went to Colorado Springs in mid-May 1899 with the intent to research:
  1. Transmitters of great power.
  2. Individualization and isolating the energy transmission means.
  3. Laws of propagation of currents through the earth and the atmosphere.
Tesla spent more than half his time researching transmitters. Tesla spent less than a quarter of his time researching delicate receivers and about a tenth of his time measuring the capacity of the vertical antenna. Also, Tesla spent a tenth of his time researching miscellaneous subjects.
The authors notes J. R. Wait's comment on Tesla activity,
The authors note that no alterations have been made to the original which still contains certain minor errors; calculation errors which influence conclusions are noted. The authors also note the end of the book contains commentaries on the Diary with explanatory notes.

June 1 to January 7

The main content of the book is composed of notes written by Tesla between June 1, 1899, to January 7, 1900.