Langbeschreibung
This book is an edition of the General Report on Tunny withcommentary that clarifies the often difficult language of the GRTand fitting it into a variety of contexts arising out of severalseparate but intersecting story lines, some only implicit in theGRT.* Explores the likely roots of the ideas entering into the Tunnycryptanalysis* Includes examples of original worksheets, and printouts of theTunny-breaking process in action* Presents additional commentary, biographies, glossaries,essays, and bibliographies