Catalogue description Implosion super bomb: substitution of U235 for plutonium

Details of ES 10/6

Reference:	ES 10/6
Description:	Implosion super bomb: substitution of U235 for plutonium
Date:	01/01/1954 - 31/12/1954
Held by:	Creating government department or its successor, not available at The National Archives
Former reference in its original department:	TPN 6/54
Legal status:	Public Record(s)
Closure status:	Closed Or Retained Document, Open Description
Access conditions:	Retained by Department under Section 3.4

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