16 and 23 November 2019, 7 and 21 December 2019, and 12 January 2020
Following the success of our exhibitions
Secret Communications 1
and Secret Communications 2,
Crypto Museum has once again teamed up with the
Foundation for German Communication
in Duivendrecht (near Amsterdam, Netherlands) for the exhibition
Secret Communications 3.
This exclusive exhibiton will be open to the general
public the following days:
On these days, we will be open from 10:00 to 17:00 and admission is free. Furthermore, coffee, tea and sandwiches will be available free of charge.
We will be showing an exciting collection of
cipher machines and
some of which have never been on public display before.
Check the overview below
to see what we have selected for you.
Large groups may apply for a visit outside the regular opening
days and times. Contact Arthur Bauer
to make arrangements.
➤ What to expect
The exhibition will cover the following four main themes:
- Enigma & Friends
Enigma is arguably the most famous and well-known cipher machine in the world.
We have shown it previously in its many variations, with all kinds of
peripherals, as it was used by the German Third Reich during World War II for
their secret communication. We will show it again this time, complemented by
other technologies, such as secret telephone scramblers from World War II. In
addition, Tatjana van Vark will show and demonstrate her wonderful
Super-Enigma, but note that she will not be present on all opening days.
This time we will show some unique covert listening devices (bugs) that were
used during the Cold War by the Stasi and the CIA. We will also explain the
methods of hiding such devices and how sweep-teams were able to track them
down. We are able to give a good impression of the techniques used by the West
as well as by the Eastern Block, and will be able to show some exiting
examples. Note that many of the bugs used by the CIA were developed and
manufactured by a Dutch company, from the 1950s well into the 1990s.
- Philips Crypto
As Crypto Museum is based in Eindhoven, some of our collection is dedicated to
the history of cipher machines that were developed by Philips Usfa (later:
Philips Crypto). Over the past few years, our collection has grown to the
extent that we are now able to show most of the equipment that was developed
and manufactured by this company. See why Philips Crypto once belonged to the
— big four — in the crypto-world and why Philips was allowed to supply to
NATO. An impressive range of impressive products. Hear the story of the rise
and fall of Philips Crypto.
- Car phones (ATF)
In addition to the above subjects, we will share with you the history
of car phones (cellular networks) in the Netherlands in the days before GSM.
Learn how the networks were penetrated by criminals, to use it for
blackmailing and for making clandestine phone calls. We will be showing items
that have been confiscated by the police and that have not been on public
display before. Learn how cryptography and authentication became mandatory in
the GSM network, and what role PTT Telecom (now: KPN) played in this.
We will also show tapping techniques for both mobile and land lines, including a
complete tapping room of the police who - in cooperation with PTT Telecom -
intercepted criminal conversations.
Last updated 4 June 2019
Below is a non-exhaustive overview of the items we will be showing and
demonstrating in this exhibition. Further information on each item is available
by clicking the corresponding thumbnail image below.
This list will be updated regularly so please visit this page again soon.
Any links shown in red are currently unavailable.
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© Crypto Museum. Last changed: Sunday, 02 October 2022 - 19:35 CET.