About: http://webisa.webdatacommons.org/440170892

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 COMPASS is an instrument that has relation to spheres and spherical surfaces, and is adapted to spherical trigonometry,
http://www.w3.org/ns/prov#wasQuotedFrom	sacred-texts.com