About: http://webisa.webdatacommons.org/48159304

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	FIGS. 8a and 9a are a side view and plan view respectively of such an arrangement, but here the rail 15 has been replaced by a bar 40.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com