About: http://webisa.webdatacommons.org/53778504

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	For best results with desktop-imaged positives, test several types of vellum and film on your printer, measuring and recording the Dmin and Dmax values.
http://www.w3.org/ns/prov#wasQuotedFrom	screenweb.com