About: http://webisa.webdatacommons.org/227038599

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	His leisure hours for many years were devoted to the study of military weapons as a means of attack and defense, especially as to cannon and irondads.
http://www.w3.org/ns/prov#wasQuotedFrom	accessgenealogy.com