Assertion: simple pulley | /r/HasProperty | invented by archimedes
Facets:
value: in the 3rd century
type: TEMPORAL
value: before the common era
type: TEMPORAL
Source sentences:
text: The simple pulley was invented by Archimedes in the 3rd century before the Common Era (B.C.E.) and has been adapted to many different uses, though its design has changed very little in the past few millennia.