A biochemist in the research laboratory of the Quaker Oats Company where exhaustive tests were made on the irradiation of cereals before they were placed on the market as added food factors to provide vitamin D - "edible Sunshine."

Digital Commonwealth — Boston Public Library

A biochemist in the research laboratory of the Quaker Oats Company where exhaustive tests were made on the irradiation of cereals before they were placed on the market as added food factors to provide vitamin D - "edible Sunshine."

[ca. September 1929]

RightsCC0 — Public Domain

CollectionDigital Commonwealth — Boston Public Library

[Information from item housing] Laboratories: Misc. Photos

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