Nikola Tesla U.S. Patent 649,621 - Apparatus for Transmission of Electrical Energy Patent Wrapper Page 17

214 A A Room 85. In the matter of the application of Nikola Tesla, No. 5780, filed February 19, 1900. Apparatus for the Transmission of Electrical Energy. Hon. Commissioner of Patents, Sir:- New York, March 31, 1900. In the matter of the application above named we hereby amend by cancelling claims 1, 3, 5 and 6, and substituting in place of the two latter the following: "3. The combination with a transmitting instrument comprising a transformer having its secondary connected to ground and to an elevated terminal respectively, and means for impressing electrical oscillations upon its primary, of a receiving instrument comprising a transformer having its primary similarly connected to ground and to an elevated terminal, and a translating device connected with its secondary, the capacity and inductance of the two transformers having such values as to secure synchronism with the impressed oscillations, as set forth. "4. The combination with a transmitting instrument comprising an electrical transformer having its secondary connected to ground and to an elevated terminal respectively, and means for impressing electrical oscillations upon its primary, of a receiving instrument comprising a transformer having its primary similarly connected to ground and -1This page retyped from microfilm for better readability - -Ed.]