About: http://webisa.webdatacommons.org/278528300

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	Although early transistors were quirky and fickle handmade devices, within a few years improved transistors began to replace vacuum tubes in such applications as radios, hearing aids, and telephone circuits.
http://www.w3.org/ns/prov#wasQuotedFrom	chemheritage.org