A wheel-chart (pie-chart), the seven sectors of which show seven different types of food which need to be combined in a balanced diet. Colour lithograph, 1943.

    • United States. Department of Agriculture.
    Date:
    [1943]
    Reference:
    679444i

    Licence: In copyright

    Credit: A wheel-chart (pie-chart), the seven sectors of which show seven different types of food which need to be combined in a balanced diet. Colour lithograph, 1943. Wellcome Collection. Source: Wellcome Collection.

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