New York, American Telephone and Telegraph Company, 1951. 8vo. In the original printed blue wrappers. In "The Bell System Technical Journal.", Volume XXX, July, 1951, No. 3. The entire no. 3 offered. Wear to spine and previous owner's name to front wrapper. Otherwise fine and clean. Pp. 626-651. [Entire volume: Pp. 491-778].
First printing.
Order-nr.: 47540