Just Who exactly did make, probably, the most important discovery of the XIX Century ? Was it Gian Domenico Romagnosi in 1802 or Hans Christian Oested in 1820…..? An apochryphal story says “The victors write History” To find the answer Jim Kelly is penning a long awaited: ”The electromagnetic spectrum – or how we see the universe”….
References:
Romagnosi G.D. 13 agosto 1802 “Articolo sul Galvanisimo”, Foglietti Universali, Rovertro
Oersted H.C. 21 July 1820 “Experimenta Circa Effectum Conflictus Electrici in Acum Magniticum” Hafinae
