About: http://webisa.webdatacommons.org/388858813

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	Furthermore, such an input device as above described incorporating a knob coupled to a tachometer by a shaft would have a fixed rotational friction or drag associated with rotation.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk