About: http://webisa.webdatacommons.org/189416605

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	FIG. 7 is a plan view that illustrates the range of directions that comes into the field of view owing to zig-zagged sector of the mirror of the invention in the preferred embodiment illustrated by FIG. 4.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com