**F 25085 260 Wheatstone, Sir C. 1802-1875. The scientific papers of Sir Charles Wheatstone...(Continued 2) An account of several new instruments and pro=
cesse mining the constants of voltaic
circuit; On the thermo-electric spa scrip=
tion of magnetic clock; Enregistreur
électro-magnétique pour les observation rolo=-
giques; le chronoscope électro étique;
4n account of some experiments with the sub- (Continued)