Ground Zero Indicator

http://dbpedia.org/resource/Ground_Zero_Indicator

The Ground Zero Indicator, known by the acronym GZI was a specially designed shadowgraph instrument used by the British Royal Observer Corps during the Cold War to locate the Ground Zero of any nuclear explosion. rdf:langString
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rdf:langString The Ground Zero Indicator, known by the acronym GZI was a specially designed shadowgraph instrument used by the British Royal Observer Corps during the Cold War to locate the Ground Zero of any nuclear explosion.
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dbpedia:Category:Cold_War_military_equipment_of_the_United_Kingdom
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dbpedia:United_Kingdom
dbpedia:Operational_instruments_of_the_Royal_Observer_Corps
dbpedia:Nuclear_explosion
dbpedia:Pinhole_camera
dbpedia:Cold_War
dbpedia:Transition_To_War
dbpedia:Category:Royal_Observer_Corps
dbpedia:Hypocenter
dbpedia:Category:Cold_War_military_equipment_of_the_United_Kingdom
dbpedia:Bomb_Power_Indicator
dbpedia:United_Kingdom_Warning_and_Monitoring_Organisation
dbpedia:Cowley,_Oxford
dbpedia:Photosensitivity
dbpedia:Shadowgraph
dbpedia:File:GZI_Composite.jpg
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