<http://webisa.webdatacommons.org/49287074>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/49287074>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<americanscientist.org> .
<http://webisa.webdatacommons.org/49287074>	<http://www.w3.org/ns/prov#value>	"chemical change (as we now know it) as a symbol, a kind of logo, for" .
<http://webisa.webdatacommons.org/prov/495090450>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/49287074> .