About: http://webisa.webdatacommons.org/30592108

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	For connecting the sockets to either end of the head I provide an'extension bar having its opposite ends of such size and form as to enter any of the sockets and either of the head passages 18 and 19.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com