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Subject Oils and fats Remove constraint Subject: Oils and fats

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    • Plate I
    • 1886

    Eighteen illustrations of various fats under a microscope. Some examples are under polarized light. Dr. Taylor was trying to create a method of analyzing different fat types to be able to judge purity of food against…

    • 1886

    This reprint is Dr. Thomas Taylor's reply to the magazine "Science" relating to his heavily disputed method of analyzing fats for adulteration. Dr. Thomas (1820-1910) was appointed in 1871 Microscopist to the United…

    • 1901 – before 1928

    General view of two employees working in the Bureau of Chemistry's Oil, Fat, and Wax Laboratory, with view of assorted laboratory glassware and apparatus. Part of the U.S. Department of Agriculture, the Oil, Fat, and…