Applications of the method of symmetrical components. Waldo V. Lyon.
Jay Forrester's copy

Applications of the method of symmetrical components

New York and London: McGraw-Hill Book Company, Inc. 1937. First Edition. vii, 579 pages. 8vo. Publisher's green cloth gilt. Previous owner's name "Jay Forrester 604B Graduate House MIT" on front flyleaf and initials inked on the page edges. Another name and address on rear pages in red ink. Notes throughout in both red and black ink, both in an unknown hand. Good. Cloth. [28789]

Lyon notes in the extensive historical introduction that often the original development of electrical apparatus precedes the mathematical determination of its characteristics until the mathematical tools are in place to optimize their designs - and states that the Method of Symmetrical Components is a perfect example.

The text was developed over 15 years teaching graduate students at the Massachusetts Institute of Technology. "it is designed to acquaint these students with wome of the problems arising when polyphase circuits are unsymmetrical and to show how these problems can be solved by means of theMethod of Symmetrical Components." (preface)

Well represented institutionally, but not common in the marketplace with no copies found as of this writing.

“Jay Wright Forrester (July 14, 1918 – November 16, 2016) was a pioneering American computer engineer and systems scientist. He is credited with being one of the inventors of magnetic core memory, the predominant form of random-access computer memory during the most explosive years of digital computer development (between 1955 and 1975). It was part of a family of related technologies which bridged the gap between vacuum tubes and semiconductors by exploiting the magnetic properties of materials to perform switching and amplification. He is also believed to have created the first animation in the history of computer graphics, a "jumping ball" on an oscilloscope.“ (wikipedia)

Price: $85.00

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