Pedzisa mutsara unotevera: Akapiwa basa rokuva mukuru mukuru muUnited States Navy. Munguva yake yakazotevera basa rehondo, akatanga kushanda paUSS "Richmond", ipapo USS "Minnesota". Ari muAsia, Sprague akanyora nyaya dzaakanyorera Boston Herald. Apo ngarava yake yakanga iri muNewport, Rhode Island, muna 1881, Sprague akagadzira dynamo yakatendeuka. Pashure pokunge aendeswa kuUSS "Lancaster", ngarava huru yeEuropean Squadron, akaisa gadziriro yokutanga yemagetsi yekuridza bhero mungarava yeUnited States Navy. Sprague akatora zororo kuti apinde
International Exposition of Electricity ya1881 muParis neCrystal Palace Exhibition muSydenham, England muna 1882, kwaaive ari mujury yemubairo weinjini dzegasi, dynamos nemarambi.