About: http://webisa.webdatacommons.org/384635555

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	It is worth remembering that these are the weights of plain sealed units and do not take into account the extra weight added to the glass by lead strip, bevels or other decorative materials such as fused glass tiles.
http://www.w3.org/ns/prov#wasQuotedFrom	leadbitterglass.co.uk