<http://webisa.webdatacommons.org/220926479>	<http://www.w3.org/ns/prov#value>	"Each disc 33, 34 and 35 may be formed of brass or other suitable material, and an insulating spacer 37 is provided between each two adjacent discs." .
<http://webisa.webdatacommons.org/220926479>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/220926479>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/291824117>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/220926479> .