The SIGABA /ECM II Cipher Machine : "a beautiful idea" /

Bibliographic Details
Main Author:	Mucklow, Timothy J. (Timothy Jones) (Author)
Format:	Government Document eBook
Language:	English
Published:	Fort George G. Meade, MD : National Security Agency, Center for Cryptologic History, 2015.
Subjects:	SIGABA cipher system > History. World War, 1939-1945 > Cryptography. Cryptography > History > 20th century.
Online Access:	https://purl.fdlp.gov/GPO/gpo58671 http://purl.fdlp.gov/GPO/gpo58671

Description
Item Description:	"This publication is distributed free by the National Security Agency." Title from title screen (viewed June 25, 2015).
Physical Description:	1 online resource ( 44 pages) : illustrations
Bibliography:	Includes bibliographical references (pages 38-44).