About: http://webisa.webdatacommons.org/293374075

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	In those days the device was made of metal, now it is mostly plastic and the price went up slightly (even accounting for inflation).
http://www.w3.org/ns/prov#wasQuotedFrom	robertcailliau.eu