About: http://webisa.webdatacommons.org/281875710

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	To further promote the telephone, numerous advancements were made, such as a bell to signal an incoming call, a key pad, and the carbon microphone for clearer, louder sound.
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com