PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Still another object of the invention is to provide an armor including a helmet so formed that the helmet may be thrown back so as to entirely uncover the head or may be thrown forward so as to cover the front portion of the head, this helmet being provided with observation openings one of which may be increased in size so as to per- Init the use'of field glasses.
http://www.w3.org/ns/prov#wasQuotedFrom
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