Koch, Ernest Herman, 1875- 4018.331 The mathematics of applied eteewricity: a practical mathematics. Ist edition, Ist thousand. — New York. Wiley & Sons. 1912. xvi, 651 pp. Illus. Diagrams. Charts. 19% cm. Same. ist edition, corrected, 2d thousand.
john Wiley * Sons, Inc. 1914. xviii,@51 pp. **B.5129.198
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This card was printed at the Boston Public Library, January 3, 1917. L214 — Mathematics. Courses. — Electricity. Applications.