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Table of natural logarithms / prepared by the Federal works agency, Work projects administration for the city of New York as a report of Official project no. 765-97-3-10. Arnold N. Lowan, PH. D., technical director ; conducted under the sponsorship of the National bureau of standards ; Lyman J. Briggs, director, National bureau of standards, official sponsor ; Brehon Somervell, administrator, Work project administration for the city of New York |
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