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LEADER 01698cam 2200385Ii 4500

001 ocn927616946;

003 OCoLC;

005 20151105093254.0;

007 cr c||||||||||;

008 151105s2015 mdua ob f000 0 eng d;

049 a| ERE#;

074 a| 0306 (online);

086 0 a| D 1.2:C 49/5;

100 1 a| Mucklow, Timothy J.,e| author.?| UNAUTHORIZED;

245 14 a| The SIGABA /ECM II Cipher Machine :b| "a beautiful idea" /c| Timothy J. Mucklow.;

246 3 a| SIGABA electric cipher machine II :b| "a beautiful idea";

264 1 a| Fort George G. Meade, MD :b| National Security Agency, Center for Cryptologic History,c| 2015.;

300 a| 1 online resource ( 44 pages) :b| illustrations;

336 a| textb| txt2| rdacontent;

337 a| computerb| c2| rdamedia;

338 a| online resourceb| cr2| rdacarrier;

504 a| Includes bibliographical references (pages 38-44).;

500 a| "This publication is distributed free by the National Security Agency.";

500 a| Title from title screen (viewed June 25, 2015).;

500 a| GPO Cataloging Record Distribution Program (CRDP).;

650 0 a| SIGABA cipher systemx| History.=| ^A1280945;

650 0 a| World War, 1939-1945x| Cryptography.=| ^A53467;

650 0 a| Cryptographyx| Historyy| 20th century.=| ^A48560;

856 40 u| https://purl.fdlp.gov/GPO/gpo58671;

949 a| Click on web addressw| asish| joyner94;

596 a| 1;

998 a| 3848888;

999 a| CLICK ON WEB ADDRESSw| ASISc| 1i| 3848888-1001l| JNETm| JOYNERr| Ys| Yt| JNE1DOu| 12/11/2015x| EDOCUMENTz| JERESOURCE;

The SIGABA /ECM II Cipher Machine : "a beautiful idea" / Timothy J. Mucklow.

Author/creator	Mucklow, Timothy J. author.
Other author	United States. National Security Agency/Central Security Service. Center for Cryptologic History, issuing body.
Format	Electronic
Publication	Fort George G. Meade, MD : National Security Agency, Center for Cryptologic History, 2015.
Description	1 online resource ( 44 pages) : illustrations
Supplemental Content	https://purl.fdlp.gov/GPO/gpo58671
Subjects	SIGABA cipher system--History. World War, 1939-1945--Cryptography. Cryptography--History. --20th century.

Variant title	SIGABA electric cipher machine II : "a beautiful idea"
General note	"This publication is distributed free by the National Security Agency."
General note	Title from title screen (viewed June 25, 2015).
General note	GPO Cataloging Record Distribution Program (CRDP).
Bibliography note	Includes bibliographical references (pages 38-44).
GPO item number	0306 (online)
Govt. docs number	D 1.2:C 49/5

Library	Location	Call Number	Status	Item Actions
	Electronic Resources	Access Content Online	✔ Available

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