About: http://webisa.webdatacommons.org/395075795

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 larger bushings introduced in the 70s were an improvement, but the basic idea was fundamentally flawed IMO.In addition, IMO there were a number quality control problems during that period.
http://www.w3.org/ns/prov#wasQuotedFrom	pianoworld.com