About: http://webisa.webdatacommons.org/335409459

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	A spectrograph is an instrument used to measure properties of light over a specific portion of the electromagnetic spectrum.
http://www.w3.org/ns/prov#wasQuotedFrom	cua.edu