About: http://webisa.webdatacommons.org/117722401

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	The resulting surface is a train of almost vertical straight lines with gradually changing direction that touch the ellipsoid on the curve A1C1.
http://www.w3.org/ns/prov#wasQuotedFrom	iucr.org