- Bletchley Park
This is the place where the British intelligence service broke many codes during and after WWII, including the famous Enigma codes. Bletchley Park
(BP for short) is now a museum and it open to the public every day.
A good map of BP can be found here.
- Museum Jan Corver
This is the Dutch Ham Radio Museum that is located in the south of The
Netherlands, close to Eindhoven. It's a small but very interesting museum,
showing the history of radio amateurism from WWII to the present.
Crypto Museum co-operates with this museum.
- Foundation for German Communication and Related Technologies
Dutch: Stichting Centrum voor Duitse Verbindingen en aanverwante Technologieën.
A wealth of background information about historical German communication equipment, predominantly pre-1960. The museum now also has a permanent exhibition that is open by appointment only.
Crypto Museum co-operates with this museum.
- Historische Collectie Regiment Verbindingstroepen
The Historical Collection of the Dutch Signals Corps (formely known
as the Dutch Signals Corps Museum) is one of the key places in the
Netherlands to see the history of the Army's Signals Department.
They have many historical military communications and cipher devices
- Stichting Onterfd Goed
Stichting Onterfd Goed (SOG) is the only non-profit organization
in The Netherlands that has specialized in dissolving (museum) collections
in the least painful manner. The SOG was established after
Museum Scryption in Tilburg (Netherlands) was
forced to close its doors
in 2011. They are currently dissolving the
- DF3OE's Teleprinter Museum
This virtual museum by Henning Treumann, DF3OE, is all about
teleprinters (telex) and associated equipment. Henning has a large collection
of teleprinters and has detailed knownledge about the backgrounds of each
machine. He is also one of the promotors of the TelexPhone network.
Many of his machines have been featured in block-buster movies such as
- Jerry Proc's Crypto Pages
Although Jerry is not a crypto collector, he has gathered an enormous
amount of information about cipher machines, mainly from contributions
by museums, collectors and others. The site contains many photographs,
background information and stories from former users of the equipment.
- Hellschreiber Website
All you ever want to know about the Hellschreiber. History, technology,
operation, modes and models. An enormous collection of information about the
famous Hellschreiver in all its varieties. Maintained by Frank Dörenberg.
Interesting and very entertaining site (in Dutch) about the use of
scanners during the 1970s and 1980s for listening to police radio traffic.
Including sound clips and an interesting tour around the radio monitoring
department of the Amsterdam Police.
- Dirk Rijmenants, Dirk's Weblog
Great weblog about cipher machines, cryptology, intelligence and security,
maintained by Dirk Rijmenants.
Also visit Dirk's website,
with many nice cipher machine simulators
and lots of detailed background information.
- Christos military and intelligence corner
Very nice blog with lots of details about military intelligence, cipher systems
and codebreaking, mainly dealing with WWII. Contains also WWII TICOM reports.
- Top Level Telecommunications
Great blog by Peter Koop about secure and insecure telephone systems and their use.
Showing US President Obama using an STE-phone
and much, much more.
- The Encoded Communications of World War II
A brief introduction about encryption during WWII, and the Enigma machine
in particular, and how it has
affected todays complex world of computer science and electronic communication.
With a number of interesting links to other sites.
- Frode Weierud, CryptoCellar Tales
Excellent blog about Enigma and cryptography in general,
maintained by crypto-expert Frode Weierud in Oslo (Norway).
Frode is a retired electronics engineer who previously worked for CERN
in Switzerland. Over the years, Frode has (co)written a wide range
of articles on crypto-related issues in various magazines, including
- SAS und Chiffrierdienst (SCD)
Very informative website, maintained by Jörg Dröbick, with detailed
information about cipher machines used in the former DDR (East Germany)
during the Cold War. Also detailed backgrounds on breaking western cipher
- Frode Weierud's CryptoCellar
Informative website about cryptology and its history.
Lots of backgrounds on Enigma, its people and much more.
Detailed documentation about the NSA, Alan Turing, and many others.
Computer simulations of Enigma, Hagelin machines, Purple, Geheimschreiber, etc.
- Crypto Machine Collectors
For collectors of historical cipher machines, there is an interesting
discussion group on Yahoo. It is a closed group, which means that you will
have to subscribe. Many international collectors take part in the forum and
give advice whenever possible.
- Enigma World Code Group (EWCG)
Would you like to exchange coded Enigma messages with your friends?
If so, Bruce Culp in the US might have the answer for you.
He has set up a website that allows you to communicate world-wide
with other enthusiasts in coded Enigma language.
Any links shown in red are currently unavailable.
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© Crypto Museum. Last changed: Thursday, 03 September 2015 - 23:56 CET.