1899: Tesla Lectures In Chicago
May 13th, 1899: Tesla Lectures In Chicago
On the way to Colorado Springs, Colorado, Tesla first stops in Chicago, Illinois for his "Teleautomatics" address/demonstration before a meeting of the Commercial Club.
Colorado Springs experimental station with Union Printers Home in the background.
May 17th, 1899: Tesla Arrives In Colorado
Tesla arrives in Colorado Springs to continue high-voltage/high-frequency experiments that had become too large for his New York lab. He stayed at the Alta Vista Hotel in room 207.
Room 207 of the Alta Vista Hotel where Tesla stayed.
June 15th, 1899: Experiments Begin In Colorado
The first experiments in Colorado Springs Experimental Station were performed. Tesla records his initial spark length at five inches long, but very thick and noisy.
The Alta Vista Hotel letterhead from the time when Tesla stayed there.
July 3rd, 1899: Terrestrial Stationary Waves
Tesla claimed discovery of a new geo-electrical phenomenon, which he said would allow for the transport of electricity around the world. Terrestrial stationary waves were first observed by Tesla and formed the basis for his wireless energy transfer plans and wireless communications.
Colorado Springs, Colorado with Pikes Peak in the background.
1899: Tesla Moves To Waldorf-Astoria
Upon receiving a $100,000.00 investment from John Jacob Astor, Tesla promptly moved into the Waldorf-Astoria, which Astor owned. It was, at the time, the world's tallest building and is described as "extolling the essence of exclusiveness, cordiality, pomposity, and elegant grandiosity to the masses."
Discharge from the top of "extra coil," produced by a single closure of the circuit of very short duration.
1899: Tesla Listens To The Stars
Working late one night on his powerful and sensitive radio receiver, Tesla observed strange rhythmic pulses on the receiver. He concluded that there was no possible explanation other than some effort was being made to communicate with Earth by creatures from another planet. Tesla reveals the discovery and is highly criticized.
View of interior, chiefly showing condensers, break motor and regulating coil in primary of oscillator. Westinghouse high tension transformer, supply transformers and arresters in background.
View of the laboratory from the Pike's Peak side.
Interior of Colorado Springs Laboratory.
Colorado Springs, Colorado from around the time Tesla was there.
Waldorf-Astoria letterhead from the time when Tesla resided there.
The world famous Waldorf-Astoria hotel in New York from around the time Tesla stayed there.
Probably the most famous photograph of Tesla, a double exposure with him seated below massive streamers.