Assertion: nautical mile | /r/HasProperty | average minute of arc
Facets:
value: on the clarke 1866 ellipsoid
type: LOCATION
Source sentences:
text: Physchim62's addition to the article stated that the nautical mile was an average minute of arc on the Clarke 1866 ellipsoid according to A Dictionary of Physics by Richard Glazebrook, vol. 1, 1922,