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| - II.194 Variable Time (VT) Fuze Section security-classified project files, ca. 1944-ca. 1955 [A1, Entry 1181] (22 ft.), contain correspondence, reports, studies, design specifications, plans, drawings, photographs, and other records that originated with projects to research, design, develop, and test conventional and variable time fuzes for ordnance such as antiaircraft ammunition, bombs, mortars,
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