Advancements in Technology By dragon845 Jul 29, 1685 Camera Jan 3, 1698 Steam Engine Mar 4, 1834 Refrigerator Jan 24, 1852 Elevator Feb 19, 1890 Jukebox May 15, 1902 Air Conditioner Dec 17, 1903 Airplane Sep 7, 1921 Television Oct 8, 1945 Microwave Jun 1, 1974 Rubik's Cube
