About: http://webisa.webdatacommons.org/166429302

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	This type is mainly employed after 1945, and the style is almost the same with European type shown in Fig.6, though the diameter and the thick of the millstone in Japan are about a half of those in Europe.
http://www.w3.org/ns/prov#wasQuotedFrom	jsme.or.jp