Public domain
Niagara Falls, New York. Nan Hannegan, a nineteen year old chemical operator at the Niacet chemical company, earning thity-nine dollars a week, taking a sample of acid from a still. She will put in brine to bring it to a freezing point
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Credit lineNiagara Falls, New York. Nan Hannegan, a nineteen year old chemical operator at the Niacet chemical company, earning thity-nine dollars a week, taking a sample of acid from a still. She will put in br. 1943-01-01. Collins, Marjory. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.