New Books - The Tesla High Frequency Coil

The Tesla High Frequency Coil. By George F. Haller and Elmer Tiling Cunningham. New York: D. Van Nostrand Co. 1910. 179 pages with 56 illustrations. Price $1.50

Describing the construction of a twelve-inch Tesla coil, with its transformer and all other accessories and introducing interesting information concerning the uses of the coil.

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Construction of Induction Coils and Transformers. By H. Winfield Secor. New York: Modern Electrics Publication. 1910. 92 pages with 56 illustrations. Price, paper, 25 cents.

A book designed to place in ready form the latest data and tables desired by the average experimenter and builder of induction coils and transformers. A section is devoted to the Tesla coil, and instructions are given for building a large coil of this type for use on stage and lecture platforms. The construction of open and closed core transformers up to three kilowatts is given in detail.

An appendix contains practical tables covering coil and transformer dimensions, spark distances and wire values.