About: http://webisa.webdatacommons.org/287112882

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	At the bottom right is a thumbwheel--a small cylinder 49 that can be rotated either up or down by the user's thumb that is used to control the display of messages, responses, and other information.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com