New York, American Telephone and Telegraph Company, 1927. 8vo. In the original printed blue wrappers. In "The Bell System Technical Journal", Volume VI, Number 1, January 1927. Light sunning to spine and wear to 1 cm of upper and lower part of spine, otherwise a fine and clean copy. Pp. 1-17. [Entire volume: 185 pp.].
First printing of Carson's early paper on electric circuit theory.
Order-nr.: 47544