EntityQ6501061· pop 30· linked from 1,663 articleselectrical telegraphSign in to saveearly system for transmitting text over wiresConnectionstelegraphyEntityMorse codeEntityKronstadtEntitygalvanometerEntitywireless communicationEntityInformation AgeEntityWestern UnionEntityteleprinterEntityBaudot codeEntityPavel SchillingEntityLondonCityInternetEntityWorld War IIConceptWorld War IConceptironEntityThomas EdisonEntityMunichEntityYouTubeConcepttelephoneEntityNikola TeslaEntityCategories19th-century inventionsBritish inventionsHistory of telecommunications in the United StatesTelegraphy