Carmela Gutierrez 1 By carmela gutierrez Sep 16, 1600 electricity Sep 18, 1819 plumbing Sep 16, 1851 washing machine Sep 17, 1876 phones Sep 17, 1880 dish washer Sep 17, 1902 air conditoner Sep 17, 1927 tv Sep 17, 1928 refrighteter Sep 17, 1936 computer Sep 17, 1947 microwave oven Period: Sep 16, 2013 to Sep 19, 2013 electritcity