<skos:prefLabel xml:lang="en">electron tubes</skos:prefLabel>
<skos:altLabel xml:lang="en">thermionic valve</skos:altLabel>
<skos:altLabel xml:lang="en">electron tube</skos:altLabel>
<skos:altLabel xml:lang="en">electronic valves</skos:altLabel>
<skos:altLabel xml:lang="en">electronic valve</skos:altLabel>
<skos:altLabel xml:lang="en">thermionic valves</skos:altLabel>
<skos:altLabel xml:lang="en">valve, thermionic</skos:altLabel>
<skos:altLabel xml:lang="en">valves (electronic tools)</skos:altLabel>
<skos:altLabel xml:lang="en">valve (electronic tool)</skos:altLabel>
<skos:altLabel xml:lang="en">audions</skos:altLabel>
<skos:altLabel xml:lang="en">audion</skos:altLabel>
- <skos:broader rdf:resource="http://museovirtualfelixcanada.digibis.com//concepts/55537" />
<skos:note xml:lang="en">Refers to devices used to amplify or otherwise modify electrical current via the flow of electrons in an evacuated glass tube or bulb.</skos:note>
<skos:notation>300024554</skos:notation>
- <skos:inScheme rdf:resource="http://museovirtualfelixcanada.digibis.com//schemas/6" />