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3 résultats pour : early 1900s woman in laboratory

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Woman scientist in a laboratory ca. between 1909 and 1923
UMG22A11_303

Woman scientist in a laboratory ca. between 1909 a...

Man and woman in laboratory performing duties to obtain sugar from corn ca. between 1918 and 1921
UMG22A12_476

Man and woman in laboratory performing duties to o...

Miss Elizabeth Funk in laboratory
UMG22A02_238

Miss Elizabeth Funk in laboratory