Measurement of a meridian arc
                        
                            GPTKB entity
                        
                    
                Statements (20)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | gptkb:surveyor gptkb:scientific_research | 
| gptkbp:method | gptkb:astronomer triangulation | 
| gptkbp:notableExample | gptkb:Arc_of_the_Meridian_(Greenwich) gptkb:French_meridian_arc gptkb:Struve_Geodetic_Arc | 
| gptkbp:relatedTo | Earth's circumference Earth's shape Earth's size | 
| gptkbp:usedBy | gptkb:Jean-Baptiste_Delambre gptkb:Pierre_Méchain Jean Picard | 
| gptkbp:usedFor | cartography mapping defining the metre determining Earth's flattening | 
| gptkbp:bfsParent | gptkb:Anders_Celsius | 
| gptkbp:bfsLayer | 6 | 
| https://www.w3.org/2000/01/rdf-schema#label | Measurement of a meridian arc |