About: http://webisa.webdatacommons.org/378155342

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	In fact, there was a big business just selling slide rules to U.S. corporations who wanted to put their name on them.
http://www.w3.org/ns/prov#wasQuotedFrom	collectorsweekly.com