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5 résultats pour : government chemist

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1939 - government experiments test the ability to make egg whites different colors.
UMG21A21_457

1939 - government experiments test the ability to ...

1939 - government experiments test the ability to make egg whites different colors.
UMG21A21_458

1939 - government experiments test the ability to ...

1939 - government experiments test the ability to make egg whites different colors.
UMG21A21_459

1939 - government experiments test the ability to ...

1920 - Treasury, Internal Rev. Chemist G.F. Beyertesting bootleggers' booze.
UMG21A19_006

1920 - Treasury, Internal Rev. Chemist G.F. Beyer...

Margaret D. Foster, the Only Woman Chemist on the Pay of the US Government 1919
UMG20A67_048

Margaret D. Foster, the Only Woman Chemist on the ...