On February 6, 1894, Nikola Tesla patented an apparatus for Generating Electric Currents.
Critical features: Maintenance of intermittent or oscillatory discharges of a condenser of suitable circuit containing translating devices; Discharges take place in insulating liquids (such as oil); Varying spark gap distances; Keep circulating flow in liquid; Illustrates preferred manner.
Patent Information
Publication number: US514168 A
Patent Title: Nikola tesla
Publication type: Grant
Publication date: 6 Feb 1894
Filing date: 2 Aug 1893
Inventors: Nikola Tesla
