About: http://webisa.webdatacommons.org/398298470

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	Holder 52 has a rectangular external profile to facilitate loading of lens 11, by resting holder 52 on a table or other support, and using one hand to force press block 61 downwardly in a manner similar to the loading of holder 22.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com