Assertion: hammer | /r/HasProperty | studied at renown batelle laboratories
Facets:
value: in columbus
type: LOCATION
Source sentences:
text: Mackay (1985) and Lang (1983) reported that the hammer was studied at the renown Batelle Laboratories in Columbus, Ohio, where the head was found to consist of 96.6% iron, 2.6% chlorine, and 0.74% sulfur by weight.