About: http://webisa.webdatacommons.org/37263924

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	ABSTRACT OF THE DISCLOSURE A magnetic system for moving a marking tool over a surface for plotting curves, graphs and other data.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com