Electrical engineering credited with establishing the term "electricity". He also designed the versorium: a device that detects the presence of statically charged objects. In 1762 Swedish professor Johan Carl Wilcke invented a device later named electrophorus that produced a static electric charge. By 1800 Alessandro Volta had developed the voltaic pile, a forerunner of the electric battery In the 19th century, research into the subject started to intensify. Notable developments in this century include the work of Georg Ohm, who in 1827 quantified the relationship between the electric current and potential difference in a conductor, of Michael Faraday (the discoverer of electromagnetic
Treaty of Warsaw (1745) Treaty of Warsaw (1745) The Treaty of Warsaw was a diplomatic agreement signed in Warsaw on 8 January 1745. Its birthplace is traced back to Leipzig, Germany. It was an agreement between Great Britain, Austria, the Dutch Republic and Saxony (the Quadruple Alliance) to uphold the pragmatic sanction enabling their favored candidate Maria Theresa to take the throne of the Austrian Empire. It also helped the Austro-Saxon alliance secure "the pecuniary support of the maritime powers by the treaty of Warsaw" (Horn, 34). This brought Saxony into intimate relations with Britain for the first time. It is considered to be