About: http://webisa.webdatacommons.org/450349367

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. 2 and 3 are an elevation and section of the sliding and revolving indicating-disk.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com