Hagelin B-21 Cipher Machine

Hagelin B-21; the beginning of the Hagelin pin wheel machines

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Hagelin B-21; the beginning of the Hagelin pin wheel machines
Science Museum Group
© The Board of Trustees of the Science Museum

Hagelin B-21; the beginning of the Hagelin pin wheel machines, superficially resembling the Enigma; developed by Boris Hagelin based on Arvid Gerhard Damm's patented design of the B-18; it has two pin-wheels on each of the coding wheels.

Details

Category:
Mathematics
Object Number:
2011-111
Materials:
metal (unknown), brass (copper, zinc alloy), plastic, electrical components, wood (unidentified), leather, felt and steel (metal)
Measurements:
overall: 340 mm x 340 mm x 160 mm,
type:
enigma machine
credit:
Purchased (John Alexander)