Assertion: potassium's effect | /r/CapableOf | use rochelle salts
Facets:
Source sentences:
text: In 1824, Sir David Brewster demonstrated piezoelectric effects using Rochelle salts, which led to him naming the effect pyroelectricity.
text: In 1824, Sir David Brewster demonstrated piezoelectric effects using Rochelle salts, which led to him naming the effect pyroelectricity.