About: http://webisa.webdatacommons.org/48708300

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	Davidson had made ruby glass before the war, but only for items such as obstruction and warning lights.
http://www.w3.org/ns/prov#wasQuotedFrom	cloudglass.com