| gptkbp:instanceOf | gptkb:crypt 
 | 
                        
                            
                                | gptkbp:additionalRotors | gptkb:Beta gptkb:Gamma
 
 | 
                        
                            
                                | gptkbp:countryOfOrigin | gptkb:Germany 
 | 
                        
                            
                                | gptkbp:decipheredBy | gptkb:Bletchley_Park gptkb:Allied_cryptanalysts
 
 | 
                        
                            
                                | gptkbp:displayType | lampboard 
 | 
                        
                            
                                | gptkbp:introduced | 1934 
 | 
                        
                            
                                | gptkbp:keyboardLayout | gptkb:QWERTZ 
 | 
                        
                            
                                | gptkbp:manufacturer | gptkb:Heimsoeth_&_Rinke 
 | 
                        
                            
                                | gptkbp:notableEvent | capture of Enigma and codebooks by HMS Bulldog (U-559) 
 | 
                        
                            
                                | gptkbp:notableFor | gptkb:Allied_codebreaking_efforts cryptographic security
 
 | 
                        
                            
                                | gptkbp:numberOfEngines | 3 
 | 
                        
                            
                                | gptkbp:plugboard | yes 
 | 
                        
                            
                                | gptkbp:powerSource | gptkb:battery mains electricity
 
 | 
                        
                            
                                | gptkbp:predecessor | gptkb:Enigma_I 
 | 
                        
                            
                                | gptkbp:rotorConfiguration | II V
 III
 IV
 I
 
 | 
                        
                            
                                | gptkbp:successor | gptkb:Enigma_M4 
 | 
                        
                            
                                | gptkbp:supportsAlgorithm | polyalphabetic substitution 
 | 
                        
                            
                                | gptkbp:usedBy | gptkb:U-boats gptkb:Kriegsmarine
 gptkb:German_Navy
 surface ships
 
 | 
                        
                            
                                | gptkbp:usedDuring | gptkb:World_War_II 
 | 
                        
                            
                                | gptkbp:usedFor | military communications 
 | 
                        
                            
                                | gptkbp:weight | about 12 kg 
 | 
                        
                            
                                | gptkbp:bfsParent | gptkb:Enigma_I 
 | 
                        
                            
                                | gptkbp:bfsLayer | 6 
 | 
                        
                            
                                | https://www.w3.org/2000/01/rdf-schema#label | Enigma M3 
 |