Handelsmaschine
1923The early printing machine, with four permanent rotors and a type-wheel printer.
The Enigma
collection.
A growing collection of machines, reconstructed in three dimensions. Open a model to explore its design and operation.
09models to explore
1923—1942
1923—1942
Enigma H
H29 · 1929
Eight wheels.
One extraordinary printer.
Explore the rare printing Enigma, reconstructed from the surviving H-221 and historical references.
Explore Enigma H Working reconstruction · demonstration wiringBrowse the models
9 in the collection9 models
Enigma A
Later 1924A portable 23 × 27 × 13 cm machine with two cipher wheels, interleaved keys and lamps, and a separate advance key.
Enigma B
1925The Swedish 28-letter machine: three moving wheels and an alphabet that includes Å, Ä and Ö.
Enigma D
1926A commercial machine with a settable reflector and turnover notches attached to the rotor bodies.
Enigma K
1927The commercial design with a movable reflector and turnover notches that follow the index rings.
Enigma H
1929Eight wheels, a solenoid-operated keyboard and a printer: a different branch of the Enigma family.
Enigma I
1930The military lamp machine with a front plugboard and numbered rotor rings.
Enigma M3
c. 1940The naval machine at the heart of the exhibit, with alphabetic rings and eight available cipher wheels.
Enigma M4
1942The naval four-rotor machine, with an extra thin Greek wheel beside a thin reflector.