Communication Theory and Secrecy Systems [mimeographed typescript copy #3 - three of four plates in facsimile]
Murray Hill, N. J. Bell Telephone Laboratories, Inc. May 2, 1949. [1]-40 leaves + 4 plates. 10 7/8 x 8 3/8 inches (plates slightly larger). Mimeographed typescript printed on recto only. Disbound lacking the original staple. Text with four holes punched at spine. Ink stamped "May 2-1949" on upper right..... More
