Files W.F.F. Archive Patent and Equipment Records Memoranda and Reports Related to the Development, Maintenance, and Service Tests of Cryptographic Equipment, 1946-1949
Catalog of Crypto-Equipments, 17 December 1948
Cross Reference Sheet Re Cryptographic Facilities, 28 January 1948
Cryptographic Equipment, 28 October 1948
Cryptographic Equipment; SIGABA and System 1503, 28 October 1948
Development of Crypto-Equipments, 16 August 1948
Disposition Instructions on Cryptographic Material, 11 February 1948
Disposition of Cryptographic Devices, 13 July 1948
Extracts from Research and Development Progress Report-January 1947 Adm Signal Establishment, 1 January 1947
Maintenance of Cryptographic Equipment by Department of State Personnel, 29 April 1948
Military Characteristics for Cryptographic Equipment for Staff Communications, 2 November 1948
Power Supply for Cryptographic Installations, 24 October 1947
Proposed Directive Concerning Destruction of Crypto-Equipment
Report of Contacts Outside of Security Division, 24 November 1947
Responsibility In Connection with Crypto-Equipments, 19 March 1948
Service Tests for Various Crypto-Equipments, 11 January 1949
Standardization of Means of Interconnection of Component Parts of Communication and Cryptographic Equipments
Substitution of Mos 801 for Mos 239 In Zi Commands