Nikola Tesla U.S. Patent 723,188 - Method of Signaling Patent Wrapper Page 45

602 0-12, Dub free Ro cm 91. Sir:- :.645-5-2 Paper D Subspee Jany 26, // 1903 Application of Nikola Tesla, filed June 14, 1901, Serial No. 64,552, Methods of Signalling. Hon. Commissioner of Patents, follows: Filed (:, -1JAN 1863 New York, January 16, 1903. In the above entitled application we now amend as Cancel the entire specification and claims, except the signatures, and substitute there for the following: To all whom it may concern: - P Be it known that I, Nikola Tesla, a citizen of the United States, residing in the Borough of Manhattan, in the fity, County, and State of ew York, have invented certain new and useful Improvements in Methods of Signalling, of which the Improver following is a specification, reference being had to the drawings accompanying and forming a part of the same: In certain systems for transmitting intelligible messages, or governing the movements and operations of distant automata, electrical impulses or disturbances, produced by suitable apparatus, are conveyed through the natural media the to a receiving circuit, capable of responding to impulses and A thereby effecting the control of other appliances. Generally a special device, highly sensitive, is connected to the receiving circuit which, in order to render it still more susceptible, and to reduce the liability of its being affected by extraneous disturbances, is carefully adjusted so as to be in tune with the transmitter. By a scientific design of the