BACH/F/3/22
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File
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1944-1948
Part of Papers of G. K. Batchelor
THMG/D/35
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File
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30 Sept 1941
Part of Papers of Sir George Paget Thomson
3 pp. ms.A report by G.S. Levy and W.F. Campbell on 'Visit to N.A.C.A. Langley Field, and the Bureau of Standards, Washington', presumably sent to Thomson for information, is also included in the folder.