About: http://webisa.webdatacommons.org/144592704

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	He invented pairs of metal rods, or 'tractors', one silver and one brass, which he claimed would draw out pains from anywhere in the body and could treat conditions such as numbness, muscle weakness, and gout.
http://www.w3.org/ns/prov#wasQuotedFrom	ingenious.org.uk