<http://webisa.webdatacommons.org/141865391>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/141865391>	<http://www.w3.org/ns/prov#value>	"by using tin, lead, bismuth, mercury and other compounds but it took until 1849" .
<http://webisa.webdatacommons.org/141865391>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<theglassmuseum.com> .
<http://webisa.webdatacommons.org/prov/49916369>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/141865391> .