Assertion: triangulation | /r/CapableOf | emerge as map-making method
Facets:
value: in the mid sixteenth century
type: TEMPORAL
Source sentences:
text: Triangulation had first emerged as a map-making method in the mid sixteenth century when the Flemish mathematician Gemma Frisius set out the idea in his Libellus de locorum describendum ratione (Booklet concerning a way of describing places),…