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Portable mechanical cipher machine
The HELL STG-61 was a small hand-held cipher machine, built in the early
1960s by HELL in Kiel (Germany) for the
German Army (Bundeswehr).
It is a purely mechanical machine, that can easily be hidden in the pocket
of, say, a coat.
It is compatible with the Hagelin CD-57
and the C-52.
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The image on the right shows the STG-61, which closely resembles
the Hagelin CD-57.
In fact it is a clone of the CD-57
built by HELL under licence from Hagelin.
The STG-61 does however contain some small improvements over the CD-57.
The most obvious one is the presence of a thumbwheel
to the left of the counter,
allowing the counter to be reset easily without using the crank.
For more information, please refer to the
Hagelin CD-57.
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© Copyright 2009-2012, Paul Reuvers & Marc Simons. Last changed: Mon,14 May 2012.09:39:52
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