<http://webisa.webdatacommons.org/294282366>	<http://www.w3.org/ns/prov#value>	" retro-reflector having a characteristic of providing a conjugate optical path leading to said eye of a viewer, a beamsplitter carried by the mounting structure in position to receive light from the focusing optics and image source and to direct the light toward said retro-reflector, and said mounting structure including means for holding said beamsplitter and focusing optics with respect to the h" .
<http://webisa.webdatacommons.org/294282366>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/336887187>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/294282366> .
<http://webisa.webdatacommons.org/294282366>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.ca> .