The start of the digital revolution, SIGSALY : secure digital voice communications in World War II.
Publisher: Fort George G. Meade, Maryland. : Center for Cryptologic History, National Security Agency, [2000]Description: 1 online resource (19 pages) : illustrationsContent type:- text
- computer
- online resource
- SIGSALY
- TK5103.7

Description based on print version record.
Cover title.
Signed and dated on page 11: J.V. Boone and R.R. Peterson, July 2000.
Includes bibliographical references.