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Electric currents.
Ampére, André Marie, 1775-1836. **E).2208.77 Théorie des phénoménes électro-dynamiques, uniquement déduite de l’expérience. — Paris. Méquignon-Marvis. 1826. 227 pp. Plates. 23% cm., in 4s.
This card was printed at the Boston em . Library, March 7, 1924.
Geis — Electricity. Theory and practice. — Electro-dynamics.