liresson , Cauchv , Despretz , Francoeur , Fresenius , G melin , Graham-Otto , Hartman , Heussi , Lehmann , Moignö , Muller , Navier , Pouillet-Miiller , Poisson , Begnault , Bose , Schlömilch , Serret , Sohncke , Thieme , Weber , Weirsbach , Will , Wolff , Wöhler,