About: http://webisa.webdatacommons.org/407402759

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	These photographs also illustrate the technology of broadcasting: the microphones, turntables, antennas, transmitters, cameras, sound effects equipment and other tools necessary for sending a program over the airwaves.
http://www.w3.org/ns/prov#wasQuotedFrom	photographiclibraries.com