1. pp. 1-4. (b) A. Guillemin, Electricity and Magnetism, London, 1891
2. (a) R. H. Parsons, The Early Days of the Power Station Industry, London: Cambridge University Press, 1939; pp. 1-4.
3. (b) A. Guillemin, Electricity and Magnetism, London, 1891; pp. 801ff. (Transl., rev., and ed. by S. P. Thompson.)
4. Marcel Deprez, (a) “Nouveau galvanométre astatique,” Lumiere electrique 4: 309–310, 1881. (b) “Sur une nouvelle forme du galvanométre aperiodique,” ibid., 6: 439–440, 1882. (c) Louis Chauvois, D’Arsonval: Soixante-cinq ans a travers la science, Paris: Editions J. Oliven, 1937; pp. 146–151.
5. Claude Bernard. Lecons de physiologie operatoire, Paris, 1879; p. 463.