About: http://webisa.webdatacommons.org/355897523

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	zoo- 97) This invention relates to switching devices and relays and, more particularly, to those in which a conducting liquid, such as mercury, is used as the contact-making medium.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com