CID610 was the Canadian equivalent of Alvis
(BID610) and was used by Canada's Foreign Service communicators.
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This CID-610 machine is on
display at the Communications and Electronics Museum in
Kingston, Ontario. (Photo by Jerry Proc) |
Jim Fewer of St. John's, Newfoundland recalls the CID610. "In
1979 and 1980 I worked as an operator at CFS Debert in the tape
relay centre. The CID 610 had a metal block with letters on one side
and numbers on the top. There were (for lack of a better term)
raised sliders on the block which you set to a key every day. At HJ
time, you would change over keys. All I can remember is the drawer
that opened and you slid the block in all the way and out and this
changed over the key at HJ time. The drawer itself had a tempest
seal around its edges.