About: http://webisa.webdatacommons.org/402733555

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	It will be understood that apparatus such as shown in FIG. 14 may be provided with any desired number of probes which may be spaced at any desired distances.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com