EntityQ14551285· pop 7· linked from 19 articlesneedle telegraphSign in to saveType of electrical telegraphConnectionselectrical telegraphEntitydampingEntitySaint PetersburgCityCarl Friedrich GaussEntityMichael FaradayEntityInternational Standard Book NumberEntityPierre-Simon LaplaceEntityGöttingenEntityAndré-Marie AmpèreEntityAlexander I of RussiaEntityOhm's lawEntityMorse codeEntityNicholas I of RussiaEntityGeorg Simon OhmEntityHans Christian ØrstedEntitySamuel Finley Breese MorseEntityUniversity of GöttingenEntityelectrochemistryEntityKronstadtEntityOCLC, Inc.EntityCategoriesRussian inventionsTelegraphy