About: http://webisa.webdatacommons.org/218846289

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The field concentrator 28a is located beneath the coil 28c and is formed of a magnetic material such as Ni or permalloy.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com