<http://webisa.webdatacommons.org/prov/463932608>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/20649883> .
<http://webisa.webdatacommons.org/20649883>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/20649883>	<http://www.w3.org/ns/prov#value>	"FIG. 4a is a partial cross sectional view along the line 4--4 of FIG. 3 showing the spool in cross section;" .
<http://webisa.webdatacommons.org/20649883>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.ca> .