About: http://webisa.webdatacommons.org/342903769

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 light source such as a light emitting diode is mounted to the cartridge on one side of the tape and a light sensitive sensor is mounted to the cartridge on the side of the tape opposite the light source.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com