Portex

Portex

Portex (or BID/50/1) was a British cipher machine. A rotor machine, the device used eight rotors each with a tyre ring and an insert. The machine was used mainly by the secret services from the late 1940s to the early 1950s.

ee also

* BID/60
* KL-7

References

* Information card, Bletchley Park "Enigma and Friends" exhibit, put together by David White and John Alexander, October 2005 [http://commons.wikimedia.org/wiki/
] .

External links

* [http://www.jproc.ca/crypto/portex.html Jerry Proc's page on Portex]


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