Hi, I've been reading Nikola Tesla Patents, I thought it would be nice to share coles notes as I read this particular one, which should be incredibly fascinating for electromagnetism in general.
Notes on US Patent US685954A: Method of utilizing effects transmitted through natural media.
Nikola Tesla
https://patentimages.storage.googleapis.com/6f/c6/34/f4ef28dc8532ab/US685954.pdf
patent line numbers
1-
>I, Nikola Tesla, ... have invented a new and useful Improvement in Methods of Uitilizing Effects Transmitted from a Distance to a Receiving Device Through the Natural Media.
70-
> In one system, the potential of a point or region of the earth is varied by imparting to iit intermittent or alternating electrifica-tions through one of the terminals of a suit-able source of electrical disturbances, which to heighten the effect has its other terminal connected to an insulated body, preferably of large surface and at an elevation. The electrifications communicated to the earth spread in all directions through the same, reaching a distant circuit, which generally has its terminals arranged and connected similarly to those of the transmitting source and operates upon a highly-sensitive receiver
85-
> Another method is based upon the fact that the atmospheric air, which behaves as an excellent insulator to currents generated by ordinary apparatus, becomes a conductor under the influence of currents or impulses of enormously high electromotive force.
Notes on US Patent US685954A: Method of utilizing effects transmitted through natural media.
Nikola Tesla
https://patentimages.storage.googleapis.com/6f/c6/34/f4ef28dc8532ab/US685954.pdf
patent line numbers
1-
>I, Nikola Tesla, ... have invented a new and useful Improvement in Methods of Uitilizing Effects Transmitted from a Distance to a Receiving Device Through the Natural Media.
70-
> In one system, the potential of a point or region of the earth is varied by imparting to iit intermittent or alternating electrifica-tions through one of the terminals of a suit-able source of electrical disturbances, which to heighten the effect has its other terminal connected to an insulated body, preferably of large surface and at an elevation. The electrifications communicated to the earth spread in all directions through the same, reaching a distant circuit, which generally has its terminals arranged and connected similarly to those of the transmitting source and operates upon a highly-sensitive receiver
85-
> Another method is based upon the fact that the atmospheric air, which behaves as an excellent insulator to currents generated by ordinary apparatus, becomes a conductor under the influence of currents or impulses of enormously high electromotive force.
