Page:Hamel Telegraph history England 1859.pdf/96



Baron Schilling may, therefore, be supposed to have known from this date the fact, that a galvanic current deflected a magnetic needle; although Dr. Hamel comes to the conclusion (p. 34), that neither Soemmering or Schilling had any idea of a practical application of Romagnosi’s discovery until 1825 or 1826, five years after Ampère’s suggestion.