About: http://webisa.webdatacommons.org/305287505

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 shafts are rotated as by any suitable motor, gear, or other drives connected to the upper end portions of the shafts, which extend through suitable bearings, the driving components being shown schematically at the top of FIG. 2.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com