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TiMELiNES

c. 1830

Global triangulation expands precision mapping

National surveys improved the measured outline and dimensions of Earth on an unprecedented scale.

Canonical milestoneEurope and Asia1 timeline

Context

Appears In

TimelineTimeline of the Shape of the Earth

Position 15

Authority

Sources

Encyclopaedia BritannicaConfidence 92%

Taxonomy

Tags

cartographymeasurement