Assertion: joule | /r/CapableOf | report observing change
Facets:
value: in the length of ferromagnetic rods
type: OTHER
value: in 1842
type: TEMPORAL
Source sentences:
text: Joule first reported observing change in the length of ferromagnetic rods in 1842.
text: Joule first reported observing change in the length of ferromagnetic rods in 1842.