About: http://webisa.webdatacommons.org/59155329

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	All of these media produced excellent photos, and I know of no better reason not to use them than the difficulty and expense of getting and learning to use the plates, papers, chemicals, and other ingredients and equipment they require.
http://www.w3.org/ns/prov#wasQuotedFrom	phototechmag.com