Luciano Perez 7th By lp420 Sep 17, 1847 alarm clock Period: Sep 17, 1847 to Sep 17, 1980 Luciano Perez Sep 17, 1879 radio Sep 17, 1880 headphones Sep 17, 1909 amplifier Sep 17, 1930 T.V Sep 17, 1955 electric toothbrush Sep 17, 1970 printer Sep 17, 1973 cell phone Sep 17, 1980 laptop Sep 17, 1980 digital camera
