The Great Arc

GPTKB entity

Statements (24)
Predicate Object
gptkbp:instanceOf surveyor
gptkbp:alsoKnownAs gptkb:Great_Trigonometrical_Survey
gptkbp:category history of geodesy
British colonial history in India
gptkbp:country gptkb:India
gptkbp:documentedIn The Great Arc: The Dramatic Tale of How India Was Mapped and Everest Was Named (book by John Keay)
gptkbp:endDate 1871
https://www.w3.org/2000/01/rdf-schema#label The Great Arc
gptkbp:launched gptkb:British_East_India_Company
gptkbp:length approximately 2,400 km
gptkbp:measuredFrom near Chennai (Madras)
gptkbp:measuredTo near Dehradun
gptkbp:notableLeader gptkb:William_Lambton
gptkb:George_Everest
gptkbp:purpose to measure the meridian arc from the southernmost point of India to the northernmost point
gptkbp:relatedTo gptkb:Survey_of_India
Mount Everest naming
gptkbp:significance basis for mapping the Indian subcontinent
helped determine the shape of the Earth
gptkbp:startYear 1802
gptkbp:technology gptkb:theodolite
baseline measurement apparatus
gptkbp:bfsParent gptkb:John_Keay
gptkbp:bfsLayer 8