| 
                                    
                                        gptkbp:instanceOf
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:instrumental
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:amplification
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:vacuum_tube
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:controls
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:keyboard
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:countryOfOrigin
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:United_States
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:dimensions
                                    
                                 | 
                                
                                    
                                        
                                            
                                            about 4 feet wide, 3 feet deep, 3 feet high
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:discontinued
                                    
                                 | 
                                
                                    
                                        
                                            
                                            1942
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:envelope_generator
                                    
                                 | 
                                
                                    
                                        
                                            
                                            yes
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:filter_type
                                    
                                 | 
                                
                                    
                                        
                                            
                                            resonant bandpass
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:introduced
                                    
                                 | 
                                
                                    
                                        
                                            
                                            1939
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:manufacturer
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Hammond_Organ_Company
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:material
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:wood
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:notable_for
                                    
                                 | 
                                
                                    
                                        
                                            
                                            first commercial polyphonic synthesizer
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:notableUser
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Jerry_Goldsmith
                                        
                                         
                                    
                                        
                                            gptkb:Ferde_Grofé
                                        
                                         
                                    
                                        
                                            gptkb:Phil_Moore
                                        
                                         
                                    
                                        
                                            
                                            Vernon Geyer
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:number_of_vacuum_tubes
                                    
                                 | 
                                
                                    
                                        
                                            
                                            163
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:numberOfKeys
                                    
                                 | 
                                
                                    
                                        
                                            
                                            72
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:oscillator_type
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:vacuum_tube
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:polyphony
                                    
                                 | 
                                
                                    
                                        
                                            
                                            72 notes
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:powerSource
                                    
                                 | 
                                
                                    
                                        
                                            
                                            mains electricity
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:predecessor
                                    
                                 | 
                                
                                    
                                        
                                            
                                            none
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:sound_generation
                                    
                                 | 
                                
                                    
                                        
                                            
                                            subtractive synthesis
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:successor
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Hammond_Solovox
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:totalProduced
                                    
                                 | 
                                
                                    
                                        
                                            
                                            about 1,069
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:type
                                    
                                 | 
                                
                                    
                                        
                                            
                                            polyphonic synthesizer
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:used_in
                                    
                                 | 
                                
                                    
                                        
                                            
                                            film soundtracks
                                        
                                        
                                         
                                    
                                        
                                            
                                            popular music recordings
                                        
                                        
                                         
                                    
                                        
                                            
                                            radio productions
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:weight
                                    
                                 | 
                                
                                    
                                        
                                            
                                            about 500 pounds
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:bfsParent
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Hammond_Organ_Company
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:bfsLayer
                                    
                                 | 
                                
                                    
                                        
                                            
                                            7
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        https://www.w3.org/2000/01/rdf-schema#label
                                    
                                 | 
                                
                                    
                                        
                                            
                                            Hammond Novachord
                                        
                                        
                                         
                                    
                                 |