PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The construction and operation of this type of switch is so well recognizedthat the'details of it have not been shown, the present invention being more particularly concerned with .when the light is to be used as a trouble light permitting the desired pivotal movement of the lamp head without breaking any circuits or otherwise interfering with the normal operation of this switch.
http://www.w3.org/ns/prov#wasQuotedFrom
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