About: http://webisa.webdatacommons.org/276233450

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	The apparatus of claim 10, wherein said vessel is a test tube having a cylindrical body, the exterior surface of which causes said specular reflections when illuminated by said laser light beam.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com