Assertion: alumnus | /r/CreatedBy | 100 kilometres of distance
Facets:
value: at the equator
type: LOCATION
Source sentences:
text: Thus, one grad of arc along the Earth's surface corresponded to 100 kilometres of distance at the equator; 1 centigrad of arc equaled 1 kilometre; 0.1 cc (centi-centigrads) of arc equaled 1 metre.