About: http://webisa.webdatacommons.org/315583176

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	Below is a photo of a bigger Coolidge tube manufactured by COMET, Switzerland (in comparison with the smaller one
http://www.w3.org/ns/prov#wasQuotedFrom	celnav.de