<http://caligraph.org/resource/Protractor>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Outline_of_drawing_and_drawings> .
<http://caligraph.org/resource/Protractor>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Mathematical_tools> .
<http://caligraph.org/resource/Protractor>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Measuring_instrument> .
<http://caligraph.org/resource/Protractor>	<http://www.w3.org/2000/01/rdf-schema#label>	"Protractor" .
<http://caligraph.org/resource/Protractor>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#NamedIndividual> .
<http://caligraph.org/resource/Protractor>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Underwater_survey> .
<http://caligraph.org/resource/Protractor>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Dimensional_instruments> .
<http://caligraph.org/resource/Protractor>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Outline_of_trigonometry> .
<http://caligraph.org/resource/Protractor>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Mathematical_tool> .
<http://caligraph.org/resource/Protractor>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Technical_drawing_tools> .
<http://caligraph.org/resource/Protractor>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Schema_for_vertical_declining_dials> .
<http://caligraph.org/resource/Protractor>	<http://www.w3.org/2004/02/skos/core#altLabel>	"protractors" .
<http://caligraph.org/resource/Protractor>	<http://www.w3.org/2004/02/skos/core#altLabel>	"protractor" .
<http://caligraph.org/resource/Protractor>	<http://www.w3.org/2004/02/skos/core#altLabel>	"Protractors" .
<http://caligraph.org/resource/Protractor>	<http://www.w3.org/2002/07/owl#sameAs>	<http://dbpedia.org/resource/Protractor> .
<http://caligraph.org/resource/Protractor>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Angle_measuring_instruments> .
<http://caligraph.org/resource/Protractor>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Dimensional_instrument> .
<http://caligraph.org/resource/Protractor>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Marking_out> .
<http://caligraph.org/resource/Protractor>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Egyptian_invention_or_discovery> .
<http://caligraph.org/resource/Protractor>	<http://www.w3.org/2004/02/skos/core#prefLabel>	"Protractor" .
<http://caligraph.org/resource/Protractor>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Technical_drawing_tool> .
<http://caligraph.org/resource/Protractor>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Angle_measuring_instrument> .
<http://caligraph.org/resource/Protractor>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/List_of_Egyptian_inventions_and_discoveries> .