Foster, George Carey, 1835-1919.
Elementary treatise on electricity and magnetism [microform] / by G. Carey Foster and Alfred W. Porter ; founded on Joubert's "Trait ̌ľm̌entaire d'ľectricit"̌.
Electricity.
Magnetism.
1903.
Joubert, Jules Franȯis, 1834-1910,
Porter, Alfred W. (Alfred William), 1863-1939.