About: http://webisa.webdatacommons.org/339812596

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	A driver 52, such as a stepper motor (FIG. 3) is connected to the calibration apparatus by gears, a drive belt or other mechanism to provide such rotational movement.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com