About: http://webisa.webdatacommons.org/130448089

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	Fig. 2 is a horizontal cross-section taken at about the line rc or, Fig. l, through the hot-air chamber above the fan.l Fig. shows the clock-work mechanism which I employ for running the fan.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com