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Title:OPERATION GRAPPLE Z RUSHES: ROUND ONE [Allocated Title]
Film Number:AWE 62
Other titles:BRITAIN'S ATOMIC WEAPONS RESEARCH PROGRAMME COLLECTION [Allocated Series Title]
Summary: Rushes from round one (codename Pendant) of Operation Grapple Z, a series of atomic weapons trials conducted on Christmas Island in the Pacific Ocean, in the summer of 1958.
Description: Heavily filtered real time film of the fireball which follows the blast. Clearly shows the balloon cable used to hoist the weapon below the point of detonation and the formation of the so called Wilson cloud effect.