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12 résultats pour : 1930s government testing

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Uncle Sam seeking way to improve theaters for talkies
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Uncle Sam seeking way to improve theaters for talk...

Cosmetics being tested by a worker at the Department of Agriculture circa 1937.
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Cosmetics being tested by a worker at the Departme...

Worker at the Bureau of Standards making extensive tests of hollow glass building blocks circa 1938 .
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Worker at the Bureau of Standards making extensive...

The United States Government Air Gun for testing the velocity of baseball at Griffith Stadium circa 1938.
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The United States Government Air Gun for testing t...

Government worker at Treasury Department testing food circa 1937 .
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Government worker at Treasury Department testing f...

Government worker from the Department of Agriculture testing cosmetics circa 1937 .
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Government worker from the Department of Agricultu...

The department of Agriculture is making tests everyday in order to get cosmetics under the Pure Food and Drug Act, Mrs. C.W. West seated is helping Mrs. R. Goodman make a test on cold cream and other ...
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The department of Agriculture is making tests ever...

Testing cosmetics for the government. Washington D.C. July 10- Mrs. R. Goodman, is shown sitting with Mrs. C.R. West applying dye for the hair, some dyes contain lead and the poison in the dye may lea...
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Testing cosmetics for the government. Washington D...

Testing cosmetics at Department of Agriculture Washington D.C. July 10. Dr. D.C. Grove, of the Dept. of Agriculture is shown giving a shakedown test of different creams circa 1937.
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Testing cosmetics at Department of Agriculture Was...

Government worker testing the amount of light given off by lightbulbs circa 1938.
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Government worker testing the amount of light give...

Government Waste - Bureau of Standards designs mechanical batter to determine liveliness of baseballs, an example of government wasting money during the Great Depression circa 1938 .
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Government Waste - Bureau of Standards designs mec...

Government Waste - Bureau of Standards designs mechanical batter to determine liveliness of baseballs, an example of government wasting money during the Great Depression circa 1938 .
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Government Waste - Bureau of Standards designs mec...