<http://webisa.webdatacommons.org/prov/388756670>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/97165663> .
<http://webisa.webdatacommons.org/97165663>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<globalspec.com> .
<http://webisa.webdatacommons.org/97165663>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/97165663>	<http://www.w3.org/ns/prov#value>	"To the front of the commander and driver is a window which, when in action, is covered by an armoured shutter hinged at the top, vision then being via six roof-mounted PF1 day periscopes that give observation to the front and..." .