Enigma Machine Rotor Assembly

Made by Heimsoeth & Rinke (attributed)1941United Kingdom

A three-rotor assembly from a Wehrmacht Enigma cipher machine, comprising rotors II, IV, and V with original wiring and stamped serials. Rotor assemblies were the cryptographic heart of the Enigma system; matched-set examples with legible serial numbers are important reference material for historians of signals intelligence and the Bletchley Park story.

Provenance

1941

Manufactured for Wehrmacht signal units

documented

1945

Recovered in northern Germany at war's end

attributed

1972

Entered a private collection, London

owner supplied

2011

Acquired by current collector

documented

2026

Digitally preserved in Relic

confirmed

Current Custodian

The Hartwell Collection

New England, United States

Request Research Access

Access Matrix

Digital viewingpublic
Additional photographsby request
Remote video inspectionavailable
Research visitowner approval
Temporary research loancase by_case
Museum exhibition loanavailable
Scientific samplingnot permitted
Commercial licensingcontact owner

Record Metadata

CategoryMilitary History

MaterialsBrass, bakelite, steel, insulated copper wiring

Dimensions10 cm diameter × 12 cm (stacked)

Serial No.A18441 (rotor II)

ConditionGood; contact wear consistent with field use

Digital Record

24 high-res images (8,192 × 6,144)

3D Mesh / Photogrammetry

Precise digital measurements

Doc. Score: 85/100Scanned 8/30/2026

Cite this object

Relic Archive. (1941). Enigma Machine Rotor Assembly [Object record]. Relic Object RL-1941-000377.