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Non-Commercial Use
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Category
Mathematics
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Maker
AB Cryptoteknik
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AB Cryptoteknik; Hagelin, Boris
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Boris Caesar Wilhelm Hagelin
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Object type
enigma machine
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Place
Stockholm
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Stockholm, Stockholm, Sweden
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Material
brass (copper, zinc alloy)
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electrical components
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felt
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leather
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metal (unknown)
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plastic
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steel (metal)
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wood (unidentified)
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Hagelin B-21 Cipher Machine
1925
