"The Story of Electricity" (1919) is a popular history edited by T. C. Martin and S. L. Coles. A more specialized account of electrical inventions may be found in George Bartlett Prescott's "The Speaking Telephone, Electric Light, and Other Recent Electrical Inventions" (1879).

For Joseph Henry's achievements, see his own "Contributions to Electricity and Galvanism" (1835-42) and "On the Application of the Principle of the Galvanic Multiplier to Electromagnetic Apparatus" (1831), and the accounts of others in Henry C. Cameron's "Reminiscences of Joseph Henry" and W. B. Taylor's "Historical Sketch of Henry's Contribution to the Electro-Magnetic Telegraph" (1879), Smithsonian Report, 1878.

"A List of References on the Life and Inventions of Thomas A. Edison" may be found in the Division of Bibliography, U. S. Library of Congress (1916). See also F. L. Dyer and T. C. Martin, "Edison; His Life and Inventions" (1910), and "Mr. Edison's Reminiscences of the First Central Station" in "The Electrical Review", vol. XXXVIII. On other special topics see: F. E. Leupp, "George Westinghouse, His Life and Achievements" (1918); Elihu Thomson, "Induction of Electric Currents and Induction Coils" (1891), "Journal of the Franklin Institute", August, 1891; and Alex Dow, "The Production of Electricity by Steam Power" (1917).