|
gptkbp:instanceOf
|
gptkb:electromechanical_device
|
|
gptkbp:activeYearsStart
|
1940
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|
gptkbp:builtBy
|
gptkb:British_Tabulating_Machine_Company
|
|
gptkbp:category
|
computing history
British inventions
cryptographic equipment
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|
gptkbp:component
|
drums
plugboard
electrical circuits
rotors
|
|
gptkbp:countryOfOrigin
|
gptkb:United_Kingdom
|
|
gptkbp:developedBy
|
gptkb:Alan_Turing
gptkb:Gordon_Welchman
|
|
gptkbp:displayedAt
|
gptkb:National_Museum_of_Computing
gptkb:Bletchley_Park_Museum
|
|
gptkbp:inspiredBy
|
gptkb:Polish_Bomba
|
|
gptkbp:notableOperation
|
gptkb:Joan_Clarke
gptkb:Mavis_Batey
gptkb:Jean_Valentine
|
|
gptkbp:numberBuilt
|
over 200
|
|
gptkbp:purpose
|
decipher Enigma-encrypted messages
|
|
gptkbp:relatedTo
|
gptkb:Enigma_machine
gptkb:Lorenz_cipher
|
|
gptkbp:significance
|
helped shorten World War II
|
|
gptkbp:status
|
decommissioned
|
|
gptkbp:survivesIn
|
few reconstructions
|
|
gptkbp:usedBy
|
British cryptanalysts
|
|
gptkbp:usedDuring
|
gptkb:World_War_II
|
|
gptkbp:usedIn
|
gptkb:Bletchley_Park
|
|
gptkbp:bfsParent
|
gptkb:Bletchley_Park
gptkb:Hut_11_operations
gptkb:Hut_8_operations
|
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gptkbp:bfsLayer
|
5
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Bombe machine
|