New York, N.Y. Bell Telephone Laboratories, Incorporated May 1956. Later printing. [1]-8 pages. 10 7/8 x 8 3/8 inches (275 x 213 mm) Self-wrappers. "MONOGRAPH B-1611 | Reissued May, 1956" upper right. Five holes punched at the spine as issued. The staples are rusty and affect the paper. Unlike many..... More