About: http://webisa.webdatacommons.org/327543118

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	These two counter weights 112 and 114 are adjustable radially so as to permit all of the gravity or other acceleration forces acting on the various parts of the drive train 52 to be completely counter balanced.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com