| gptkbp:instanceOf | gptkb:historic_site 
 | 
                        
                            
                                | gptkbp:addedToNationalRegisterOfHistoricPlaces | October 15, 1966 
 | 
                        
                            
                                | gptkbp:alsoKnownAs | gptkb:Thomas_Edison_National_Historical_Park 
 | 
                        
                            
                                | gptkbp:area | 21 acres 
 | 
                        
                            
                                | gptkbp:associatedWith | gptkb:Edison_Phonograph_Works gptkb:Edison_Manufacturing_Company
 gptkb:Edison_Storage_Battery_Company
 gptkb:Edison_Portland_Cement_Company
 
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                                | gptkbp:ceased_operations | 1931 
 | 
                        
                            
                                | gptkbp:contains | gptkb:library gptkb:music
 gptkb:photographer
 machine shops
 motion picture studio
 Edison's office
 chemistry lab
 stockroom
 
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                                | gptkbp:country | gptkb:United_States 
 | 
                        
                            
                                | gptkbp:designated_NHL | September 5, 1962 
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                                | gptkbp:established | 1887 
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                                | gptkbp:foundedBy | gptkb:Thomas_Edison 
 | 
                        
                            
                                | gptkbp:locatedIn | gptkb:West_Orange,_New_Jersey 
 | 
                        
                            
                                | gptkbp:managedBy | gptkb:National_Park_Service 
 | 
                        
                            
                                | gptkbp:NRHPReferenceNumber | 66000042 
 | 
                        
                            
                                | gptkbp:openToPublic | yes 
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                                | gptkbp:partOf | gptkb:Thomas_Edison_National_Historical_Park 
 | 
                        
                            
                                | gptkbp:significance | invention of the phonograph improvements to the electric light bulb
 development of motion picture cameras
 
 | 
                        
                            
                                | gptkbp:UNESCO_tentative_list | 2008 
 | 
                        
                            
                                | gptkbp:website | https://www.nps.gov/edis/index.htm 
 | 
                        
                            
                                | gptkbp:bfsParent | gptkb:William_K._L._Dickson gptkb:William_K.L._Dickson
 
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                                | gptkbp:bfsLayer | 7 
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                                | https://www.w3.org/2000/01/rdf-schema#label | Edison Laboratory 
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