About: http://webisa.webdatacommons.org/58152788

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 design of a swing-beam engine with the fulcrums of the beams in the middle of the latter (a conditional scheme);
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com