Polyphase Electric Currents and Alternate Current Motors - With Chapter on Electrical Communication with the Planets By Nikola Tesla

273 pages. Index. Line and detail drawings. Volume Six of The Library of Electrical Science. Includes 11 page chapter, complete with five black and white photographic plates, entitled 'Electrical Communication With The Planets' by Nikola Tesla. Other chapters include: Polyphase Generators; Combinations of Polyphase Currents; Properties of Rotating Magnetic Fields; Early Development of Rotary-Field Motors; Structure of Polyphase Motors; Elementary Theory of Polyphase Motors; Analytical Theory of Polyphase Motors; Monophase Motors; Miscellaneous Alternate-Current Motors; Polyphase Transformers; Measurement of Polyphase Power; Notes on Design of Polyphase Motors; Mechanical Performance of Polyphase Motors; Some Examples of Modern Polyphase Motors; Distribution of Polyphase Currents from Stations. Extensive Bibliography of Polyphase Currents and Rotary-Field Motors. Hinges and binding intact. Unmarked. Above-average wear externally with heavy chipping and tearing to spine ends. Marble decorations to all text edges. Book