| Jan | Jonas W. Aylsworth resigns his position at the West Orange laboratory. Returns intermittently as a consultant and employee regarding the composition of phonograph records, the development of x-ray apparatus, and incandescent lamps. |
| Jan | Travels to Port Huron for the funeral of his brother, William Pitt Edison. |
| Feb | Returns to the Edison General Electric Company plant in Schenectady to work on an alternating current transformer and to conduct additional experiments on streetcar motors. |
| May 12 | Travels to Chicago for discussions regarding the electric lighting business and plans for the 1893 Columbian Exposition. |
| May 20 | Demonstrates the kinetoscope at the West Orange laboratory for the Federation of Women's Clubs. |
| May 21 | The Board of Directors of the New Jersey and Pennsylvania Concentrating Works authorizes the purchase of the Ogden Iron Company. |
| ca. May-June | The New Jersey and Pennsylvania Concentrating Works begins delivering loose ore on contract to Bethlehem Iron Company. |
| June-Dec | Spends most of his time at the New Jersey and Pennsylvania Concentrating Works plant in Ogden. |
| July 14 | The primacy of Edison's lamp patents is upheld in the decision of Electric Light Company v. U.S. Electric Lighting Company. |
| Aug 24 | Executes patent applications (U.S. Pats. 493,426 and 589,168) for the kinetoscope and kinetograph. |