det sidste gang! By Klokkedal Aug 17, 1720 steam engine hign presure Aug 17, 1827 typewriter Jan 15, 1843 Fax machine Aug 17, 1858 washing machine Aug 17, 1860 tiolet paper Sep 3, 1867 dynamite Aug 17, 1870 bra Jan 1, 1875 telephone the Development of the mobile phone Aug 17, 1880 radio Aug 17, 1891 automobile Aug 17, 1892 conveyor belt Aug 17, 1902 lie detector