PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • e steam cylinder is an ordinary slide valve confined in a steam chest H. In thisfigure the steam power is applied to shifta rock shaft I to which may be connected the links or other reversing gear of a locomo- Upon the rock shaft is mounted a lever t which is connected by a link Z to the piston rod a.
http://www.w3.org/ns/prov#wasQuotedFrom
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