Assertion: hard paste porcelain | /r/HasProperty | produced at meissen
Facets:
value: successfully
type: MANNER
value: by ehrenfried walther von tschirnhaus
type: OTHER
value: in 1708
type: TEMPORAL
Source sentences:
text: Hard-paste porcelain was successfully produced at Meissen in 1708 by Ehrenfried Walther von Tschirnhaus, though Johann Friedrich Böttger who continued his work has often been credited with the discovery of this recipe.