About: http://webisa.webdatacommons.org/100692540

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	There are lots of good calibration devices but most of the older ones are a pain and/or time consuming to use.
http://www.w3.org/ns/prov#wasQuotedFrom	dpreview.com