About: http://webisa.webdatacommons.org/217465543

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	of the shakers, and drive mechanism operatively connected to the shakers for reciprocating the same during carriage movement, said mechanism including means to adjustively vary the stroke and frequency of recipr
http://www.w3.org/ns/prov#wasQuotedFrom	google.com