About: http://webisa.webdatacommons.org/309437154

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 shield 26 is of such a length as to completely extend the distance between the upper and lower spike wheels 22 and 24 and beyond the bottom of the outer circumference of the lower spike wheel 24 (FIG. 1).
http://www.w3.org/ns/prov#wasQuotedFrom	google.com