Assertion: unit's length | /r/HasProperty | proposed by english clergyman
Facets:
value: in 1668
type: TEMPORAL
Source sentences:
text: The group, which included preeminent French men of science,:89 used the same principles for relating length, volume, and mass that had been proposed by the English clergyman John Wilkins in 1668 and the concept of using the Earth's meridian as the basis of the definition of length, originally proposed in 1670 by the French abbot Mouton.