French meridian arc survey

GPTKB entity

Statements (22)
Predicate Object
gptkbp:instanceOf surveyor
gptkbp:alsoKnownAs Meridian arc of France
gptkbp:conductedBy gptkb:Jean-Baptiste_Delambre
gptkb:Pierre_Méchain
gptkbp:country gptkb:France
gptkbp:endDate 1798
https://www.w3.org/2000/01/rdf-schema#label French meridian arc survey
gptkbp:location gptkb:Barcelona
gptkb:Dunkirk
gptkbp:measuredDistance meridian arc from Dunkirk to Barcelona
gptkbp:method triangulation
gptkbp:notablePublication gptkb:Base_du_système_métrique_décimal
gptkbp:purpose to define the metre
to determine the length of the meridian arc
gptkbp:relatedTo gptkb:French_Revolution
geodesy
history of the metric system
gptkbp:resultedIn definition of the metre
gptkbp:significance established the length of the metre as one ten-millionth of the distance from the equator to the North Pole
gptkbp:startDate 1792
gptkbp:bfsParent gptkb:Survey_of_the_Paris_meridian
gptkbp:bfsLayer 8