About: http://webisa.webdatacommons.org/246899716

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 have even been designs for simple computing machines based on mechanical parts such as gears, shafts, levers, Tinkertoys, etc.
http://www.w3.org/ns/prov#wasQuotedFrom	blogfa.com