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Enigma

Enigma H

H29 · Enigma II · H-221 reference

All models

Eight wheels, a solenoid-operated keyboard and a printer: a different branch of the Enigma family.

19294 cipher rotors + 4 stepping wheelsDemonstration cipher

Preparing the Enigma H…

H-221 · reconstructed operating condition

Tap a machine key or type A–Z. Read the result on the paper.

Machine settings

Four cipher wheels between two pairs of stepping wheels. Release the lock to set them.

Figures reproduce the verified key legends in plain mode. The cipher demonstration uses A–Z and unencoded spaces.

Paper transcript
The paper is blank.

Working reconstruction with demonstration wiring and stepping. The original H wiring is unknown; the missing carriage is reconstructed from period photographs. View the evidence ↗

Explore the machine

Operate the keyboard, watch the wheels and printer, and open the machine to explore its mechanism.

About this reconstruction

H-221 photographs and contemporary documents guide the visible assembly. The missing paper carriage and concealed dimensions are reconstructed. Original cipher permutations are not established; the working cipher is a demonstration.