<http://webisa.webdatacommons.org/181331870>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/181331870>	<http://www.w3.org/ns/prov#value>	"While the vacuum tube is primarily a voltage amplifier, the magnetic is a power amplifier." .
<http://webisa.webdatacommons.org/181331870>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<rfcafe.com> .
<http://webisa.webdatacommons.org/prov/32068544>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/181331870> .