BID 610

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

  1. ↑ 1.0 1.1 Aldrich, Richard (2010). GCHQ. Harper Press. p. 210. ISBN 9780007312665.
  2. ↑ 2.0 2.1 2.2 "BID 610 (Alvis)".

External links