About: http://webisa.webdatacommons.org/127894647

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	the enclosure, and other than the sometimes 120 Hz, sometimes 180 Hz sawtooth waveform
http://www.w3.org/ns/prov#wasQuotedFrom	docstoc.com