Assertion: pencil | /r/HasProperty | interpreted as double cone of rays
Facets:
value: through a lens
type: MANNER
value: in 1675
type: TEMPORAL
value: as from an object point
type: TRANSITIVE-OBJECT
value: to an image point
type: PURPOSE
Source sentences:
text: In 1675, a pencil was interpreted as a double cone of rays, as from an object point, through a lens, to an image point.