Statements (15)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | 
                                    
                                        
                                            gptkb:Tesla_coil
                                        
                                         | 
                            
| gptkbp:component | 
                                    
                                        
                                            
                                            electromagnet
                                        
                                        
                                         carbon rods mechanical regulator  | 
                            
| gptkbp:feature | 
                                    
                                        
                                            
                                            automatic regulation of arc length
                                        
                                        
                                         | 
                            
| gptkbp:introducedIn | 
                                    
                                        
                                            
                                            1870s
                                        
                                        
                                         | 
                            
| gptkbp:inventedBy | 
                                    
                                        
                                            gptkb:Charles_F._Brush
                                        
                                         | 
                            
| gptkbp:operates | 
                                    
                                        
                                            
                                            electric arc between carbon electrodes
                                        
                                        
                                         | 
                            
| gptkbp:replacedBy | 
                                    
                                        
                                            gptkb:incandescent_lamp
                                        
                                         | 
                            
| gptkbp:usedFor | 
                                    
                                        
                                            
                                            public buildings
                                        
                                        
                                         street lighting  | 
                            
| gptkbp:usedIn | 
                                    
                                        
                                            
                                            early electrical lighting
                                        
                                        
                                         | 
                            
| gptkbp:bfsParent | 
                                    
                                        
                                            gptkb:Friedrich_von_Hefner-Alteneck
                                        
                                         | 
                            
| gptkbp:bfsLayer | 
                                    
                                        
                                            
                                            8
                                        
                                        
                                         | 
                            
| https://www.w3.org/2000/01/rdf-schema#label | 
                                    
                                        
                                            
                                            differential arc lamp
                                        
                                        
                                         |