About: http://webisa.webdatacommons.org/112469605

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 make them, a class of craftsmen skilled in making gears and springs and other mechanical parts grew up, and later lent their skill to many other devices.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com