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Start Over Subjects Lighting ✖Remove constraint Subjects: Lighting Titles Project no. 7 -- Night vision from tanks. First partial report on sub-project no. 7-1, Determination of the lighting requirements for various tasks of tank crews ✖Remove constraint Titles: Project no. 7 -- Night vision from tanks. First partial report on sub-project no. 7-1, Determination of the lighting requirements for various tasks of tank crews Dates by Range 1900-1949 ✖Remove constraint Dates by Range: 1900-1949

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  • Project no. 7 -- Night vision from tanks. First partial report on sub-project no. 7-1, Determination of the lighting requirements for various tasks of tank crews1