
Hagelin B-21 Cipher Machine
- Made:
- 1925
- maker:
- AB Cryptoteknik
- designer:
- Boris Caesar Wilhelm Hagelin

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:
- brass (copper, zinc alloy), electrical components, felt, leather, metal (unknown), plastic, steel (metal) and wood (unidentified)
- type:
- enigma machine
- taxonomy:
-
- furnishing and equipment
- tools & equipment