About: http://webisa.webdatacommons.org/132434330

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	There were twenty trained operators known as the ???girls??? who handled the machine much like a musical instrument such as a piano or an organ, but they managed to successfully produce human speech during the demonstrations.
http://www.w3.org/ns/prov#wasQuotedFrom	120years.net