BID 610
Appearance
BID 610 or Alvis was a British cipher machine used by both British and Canadian governments.[1][2] It was the first fully transistorised full-duplex online cipher machine used by the British Army.[2] It was introduced in the 1960s.[1][2]
References
- ^ a b Aldrich, Richard (2010). GCHQ. Harper Press. p. 210. ISBN 9780007312665.
- ^ a b c "BID 610 (Alvis)".
External links
- ALVIS cypher machine at liedra.net