Top secret communications of World War II
Subtitle: unbreakable encryption for secret high-level conferences
By: Donald Mehl
Publisher: Donald E. Mehl
Published: 2002
Place of publication: Kansas City, MO
Language: eng
Number of pages: 200
Subjects: World War, 1939-1945; Cryptography; Communications; Digital communications; History; United States. Army. Signal Corps; United States
Notes: "Sigsaly -- the green hornet, secure telephone conferences."

"Sigtot, teletype cryptographic system."

Includes bibliographical references and index.
Table of contents: title: Part 1. SIGSALY, the green hornet ; Part 2. SIGTOT.