About: http://webisa.webdatacommons.org/195361856

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 method is especially valuable for testing larger samples of the material prepared for cutting out the small phase rings to be inserted in microscope objectives.
http://www.w3.org/ns/prov#wasQuotedFrom	opticsinfobase.org