Arc of the Meridian (Greenwich)
                        
                            GPTKB entity
                        
                    
                Statements (12)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | gptkb:geodetic_arc | 
| gptkbp:historicalPeriod | 18th century | 
| gptkbp:locatedIn | gptkb:United_Kingdom | 
| gptkbp:measures | British surveyors | 
| gptkbp:passesThrough | gptkb:Greenwich | 
| gptkbp:relatedTo | gptkb:Prime_Meridian gptkb:Royal_Observatory,_Greenwich | 
| gptkbp:significance | helped define the length of a degree of latitude | 
| gptkbp:usedFor | measurement of the Earth's meridian | 
| gptkbp:bfsParent | gptkb:Measurement_of_a_meridian_arc | 
| gptkbp:bfsLayer | 7 | 
| https://www.w3.org/2000/01/rdf-schema#label | Arc of the Meridian (Greenwich) |