About: http://webisa.webdatacommons.org/432595378

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	Such device 12 can be any suitable device, such as for example illustrated in U.S. Pat. No. 2,416,815 to Calhoun and U.S. Pat. Nos. 3,371,728 and 3,477,527.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com