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  1. Crypto Cd-Rom (2002)

    aka: Codebreaker’s Toolkit, The

    Subject
    Mathematics
    Distribution
    Sale, CD-ROM (PC Version), £5.00

    An interactive CD-ROM version of ‘The Code Book’ by Simon Singh, on which his Channel 4 series THE SCIENCE OF SECRECY was based. The CD-ROM includes many clips from the television series plus other clips...

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  2. Breaking the Codes (1999 Video)

    Subject
    History
    Distribution
    Sale, 2 videocassettes. VHS. col/b&w. 145 min., 1999 sale: £19.99 (inclusive) (pair)

    Uses archive footage and interviews to relate the story of how the codes of the German fleet were cracked during World War 1. Examines codebreaking in World War 2: Bletchley Park - Station X - where the...

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  3. Station X: The Codebreakers of Bletchley Park (1999 Video)

    Director
    Peter Bate
    Producer
    Peter Bate; David Darlow
    Subject
    History
    Distribution
    Sale, 2 videocassettes. VHS. b&w/col. 205 min., 1999 sale: £19.99 (inclusive)

    Series examining the work of the code-breakers at Bletchley Park, near Milton Keynes, during World War 2. Uses interviews with staff and dramatic reconstructions of events. In four parts: 1) The Keys to the...

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  4. Cybersecrecy (1995 Video)

    Director
    Martin Durkin
    Producer
    Martin Durkin
    Subject
    Technology
    Distribution
    out of distribution, Videocassette. VHS. col. 52 min., 1997 sale: £19.95 (+VAT +p&p)

    Cryptography, or code-making, is at the centre of a battle between governments, scientists and civil rights groups. Governments consider codes used by companies, political groups and criminals as a threat to...

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  5. Codes. Part 1 (1981 Multimedia)

    Subject
    Engineering
    Distribution
    Sale, 20 slides. col.

    Communication by codes, BCD and weighted codes (positive and negative weights). Excess Three code. Unit distance codes and their derivation. Gray code encoding disc. Two out of Five and Biquinary Codes....

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  6. Codes. Part 2 (1981 Multimedia)

    Subject
    Engineering
    Distribution
    Sale, 21 slides. col.

    Decoder design, use of redundant states. Design of code convertor systems (e.g. 8421 to Gray and BCD to 7 segment). Algorithm for derivation of Gray Code. Use of available integrated circuits. Encoding...

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  7. Secret War, The (3 Parts) (1977 Video)

    Director
    Brian Johnson
    Subject
    History
    Distribution
    out of distribution, Videocassette. sd. b&w/col. 101, 100, 150 min.

    Six-part television series on three videocassettes looking at World War 2 from the viewpoint of a war between the scientists and technology of the two sides. Narrated by William Woolard. 1: 1) The Battle of...

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