Lot Essay
United States patent number 493,426 was applied for by Edison on 24 August 1891 and issued on 14 March 1893 for 'An Apparatus for Exhibiting Photographs of Moving Objects' [The Kinetoscope]; patent number 589,168 for a 'Kinematographic camera' was applied for on 24 August 1891 and issued on 31 August 1897.