@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix wikibase: <http://wikiba.se/ontology#> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix schema: <http://schema.org/> .
@prefix cc: <http://creativecommons.org/ns#> .
@prefix geo: <http://www.opengis.net/ont/geosparql#> .
@prefix prov: <http://www.w3.org/ns/prov#> .
@prefix wd: <https://wikibase.echoimages.labs.wikimedia.pt/entity/> .
@prefix data: <https://wikibase.echoimages.labs.wikimedia.pt/wiki/Special:EntityData/> .
@prefix s: <https://wikibase.echoimages.labs.wikimedia.pt/entity/statement/> .
@prefix ref: <https://wikibase.echoimages.labs.wikimedia.pt/reference/> .
@prefix v: <https://wikibase.echoimages.labs.wikimedia.pt/value/> .
@prefix wdt: <https://wikibase.echoimages.labs.wikimedia.pt/prop/direct/> .
@prefix wdtn: <https://wikibase.echoimages.labs.wikimedia.pt/prop/direct-normalized/> .
@prefix p: <https://wikibase.echoimages.labs.wikimedia.pt/prop/> .
@prefix ps: <https://wikibase.echoimages.labs.wikimedia.pt/prop/statement/> .
@prefix psv: <https://wikibase.echoimages.labs.wikimedia.pt/prop/statement/value/> .
@prefix psn: <https://wikibase.echoimages.labs.wikimedia.pt/prop/statement/value-normalized/> .
@prefix pq: <https://wikibase.echoimages.labs.wikimedia.pt/prop/qualifier/> .
@prefix pqv: <https://wikibase.echoimages.labs.wikimedia.pt/prop/qualifier/value/> .
@prefix pqn: <https://wikibase.echoimages.labs.wikimedia.pt/prop/qualifier/value-normalized/> .
@prefix pr: <https://wikibase.echoimages.labs.wikimedia.pt/prop/reference/> .
@prefix prv: <https://wikibase.echoimages.labs.wikimedia.pt/prop/reference/value/> .
@prefix prn: <https://wikibase.echoimages.labs.wikimedia.pt/prop/reference/value-normalized/> .
@prefix wdno: <https://wikibase.echoimages.labs.wikimedia.pt/prop/novalue/> .

data:Q7735 a schema:Dataset ;
	schema:about wd:Q7735 ;
	cc:license <http://creativecommons.org/publicdomain/zero/1.0/> ;
	schema:softwareVersion "1.0.0" ;
	schema:version "7491"^^xsd:integer ;
	schema:dateModified "2026-06-11T18:32:48Z"^^xsd:dateTime ;
	wikibase:statements "2"^^xsd:integer ;
	wikibase:sitelinks "0"^^xsd:integer ;
	wikibase:identifiers "0"^^xsd:integer .

wd:Q7735 a wikibase:Item ;
	wdt:P213 wd:Q650 ;
	wdt:P214 <https://www.si.edu/object/pressey-teaching-machine%3Anmah_1367149> ;
	p:P213 s:Q7735-9aad4142-4562-2ca9-896e-40984b7cb3fa .

s:Q7735-9aad4142-4562-2ca9-896e-40984b7cb3fa a wikibase:Statement,
		wikibase:BestRank ;
	wikibase:rank wikibase:NormalRank ;
	ps:P213 wd:Q650 .

wd:Q7735 p:P214 s:Q7735-94ea9439-4e47-9cb7-bd79-41fb45c169ae .

s:Q7735-94ea9439-4e47-9cb7-bd79-41fb45c169ae a wikibase:Statement,
		wikibase:BestRank ;
	wikibase:rank wikibase:NormalRank ;
	ps:P214 <https://www.si.edu/object/pressey-teaching-machine%3Anmah_1367149> .

wd:Q7735 rdfs:label "Pressey teaching machine"@en ;
	skos:prefLabel "Pressey teaching machine"@en ;
	schema:name "Pressey teaching machine"@en ;
	schema:description "exemplar of Pressey teaching machine in National Museum of American History"@en .

wd:Q650 a wikibase:Item ;
	rdfs:label "Pressey teaching machine"@en ;
	skos:prefLabel "Pressey teaching machine"@en ;
	schema:name "Pressey teaching machine"@en .

wd:P213 a wikibase:Property ;
	rdfs:label "exemplar of"@en ;
	skos:prefLabel "exemplar of"@en ;
	schema:name "exemplar of"@en ;
	wikibase:propertyType <http://wikiba.se/ontology#WikibaseItem> ;
	wikibase:directClaim wdt:P213 ;
	wikibase:claim p:P213 ;
	wikibase:statementProperty ps:P213 ;
	wikibase:statementValue psv:P213 ;
	wikibase:qualifier pq:P213 ;
	wikibase:qualifierValue pqv:P213 ;
	wikibase:reference pr:P213 ;
	wikibase:referenceValue prv:P213 ;
	wikibase:novalue wdno:P213 .

p:P213 a owl:ObjectProperty .

psv:P213 a owl:ObjectProperty .

pqv:P213 a owl:ObjectProperty .

prv:P213 a owl:ObjectProperty .

wdt:P213 a owl:ObjectProperty .

ps:P213 a owl:ObjectProperty .

pq:P213 a owl:ObjectProperty .

pr:P213 a owl:ObjectProperty .

wdno:P213 a owl:Class ;
	owl:complementOf _:bdd2a234def8b0c50f7ee546d922b0f6 .

_:bdd2a234def8b0c50f7ee546d922b0f6 a owl:Restriction ;
	owl:onProperty wdt:P213 ;
	owl:someValuesFrom owl:Thing .

wd:P214 a wikibase:Property ;
	rdfs:label "described at URL"@en ;
	skos:prefLabel "described at URL"@en ;
	schema:name "described at URL"@en ;
	wikibase:propertyType <http://wikiba.se/ontology#Url> ;
	wikibase:directClaim wdt:P214 ;
	wikibase:claim p:P214 ;
	wikibase:statementProperty ps:P214 ;
	wikibase:statementValue psv:P214 ;
	wikibase:qualifier pq:P214 ;
	wikibase:qualifierValue pqv:P214 ;
	wikibase:reference pr:P214 ;
	wikibase:referenceValue prv:P214 ;
	wikibase:novalue wdno:P214 .

p:P214 a owl:ObjectProperty .

psv:P214 a owl:ObjectProperty .

pqv:P214 a owl:ObjectProperty .

prv:P214 a owl:ObjectProperty .

wdt:P214 a owl:ObjectProperty .

ps:P214 a owl:ObjectProperty .

pq:P214 a owl:ObjectProperty .

pr:P214 a owl:ObjectProperty .

wdno:P214 a owl:Class ;
	owl:complementOf _:abb708dbcf5f15dfee11e2cd7f60e996 .

_:abb708dbcf5f15dfee11e2cd7f60e996 a owl:Restriction ;
	owl:onProperty wdt:P214 ;
	owl:someValuesFrom owl:Thing .