About: http://webisa.webdatacommons.org/218747529

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 Difference Engine is a mechanical machine designed to perform an algorithm that uses subtraction, without needing multiplication, to calculate tables of polynomials from being given an initial value.
http://www.w3.org/ns/prov#wasQuotedFrom	oobject.com