About: http://webisa.webdatacommons.org/206778288

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	By the 1930s, wind generators for electricity were common on farms, mostly in the United States where distribution systems had not yet been installed.
http://www.w3.org/ns/prov#wasQuotedFrom	tfode.com