Other minor recognitions were also given to Paul-Gustave Froment for the electric motor, to Auguste Achard for the electric brake, to Gaetan Bonelli for the electric loom, to David Edward Hughes for the printing telegraph, to Giovanni Caselli for the pantelegraph, to Victor Serrin for his lightning system, to Leopold Oudry for galvanoplasty, to Duchenne de Boulogne for the applications of electricity in medicine, to Gaston Planté for a development of a secondary battery, and to Ernest Onimus [ fr ] for his research on electric currents.