Technology over time By 19bangja2 Mar 3, 1847 Telephone Sep 11, 1868 Typewriter Sep 11, 1890 Hairdryer Sep 11, 1901 Vacuum Cleaner Sep 11, 1908 Washing Machine Sep 11, 1936 Computer Sep 11, 1946 Microwave Sep 11, 1960 Pager Sep 11, 1970 Walkman Aug 17, 1982 CDs