N'afọ 1848, ụlọ ọrụ wuru nke mbụ ogologo-anya telegraph akara na Europe; 500 km si Berlin na Frankfurt am Main. Na 1850, onye nchoputa tọrọ nwanne, Carl Wilhelm Siemens, mgbe e mesịrị Sir William Siemens, malitere na-anọchite anya ụlọ ọrụ na London. The London gị n'ụlọnga ghọrọ a alaka ụlọ ọrụ na 1858. Na 1850s, ụlọ ọrụ na-ekere òkè na-ewu ogologo anya telegraph netwọk na Russia. Na 1855, a alaka ụlọ ọrụ eduga ọzọ nwanne, Carl Heinrich von Siemens, meghere na St. Petersburg, Russia. Na 1867, ụlọ ọrụ wuru mbụ ogologo-anya telegraph akara na Europe; 500 km si Berlin na Frankfurt am Main.
Afọ 1855