About: http://webisa.webdatacommons.org/309543551

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	That is, the distance D2 between any bead 20 on a long tooth 18 and the end wall 26 is equal to (2n-1)(1/2)*D1, where n is a positive integer equal to the long tooth 18 number as counted from the end wall 26.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr