<http://webisa.webdatacommons.org/254958064>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/prov/53322558>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/254958064> .
<http://webisa.webdatacommons.org/254958064>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/254958064>	<http://www.w3.org/ns/prov#value>	"Each dial 18, 19 and 20 is connected to a potentiometer or other device known in the art for sending a signal to the processor of the machine to change the corresponding parameter." .