About: http://webisa.webdatacommons.org/333551092

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	A. B. Kempe's lecture on linkages How to Draw a Straight Line (1866/1867) suggested that a circle was a much easier construction than a straight line.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com