About: http://webisa.webdatacommons.org/326970504

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 device was a half-inch slab of germanium and gold and could amplify a signal???s output to a degree greater than its input.
http://www.w3.org/ns/prov#wasQuotedFrom	pando.com