About: http://webisa.webdatacommons.org/57096019

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	As to the crystal, there is a replacement available for this model, made by Sternkreuz (a good quality manufacturer).
http://www.w3.org/ns/prov#wasQuotedFrom	sweep-hand.org