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    Animal record book,

    New York City Department of Health, 1897–1898

    Courtesy National Museum of American History

    In the 1890s the New York City Department of Health kept a logbook of the horses used for antitoxin production. The entries for each animal provide a record of toxin injections and bleedings, the amount of blood collected and serum produced, and the animal’s death.

    Études sur la Bière (Studies on Beer)

    by Louis Pasteur, 1876

    Courtesy National Library of Medicine

    Pasteur published the results of his study of beer-making as Études sur la Bière in 1876. This illustration from his book demonstrates a method for examining the yeast in beer without exposing the sample to contamination from other microorganisms. His publication included plans for a fermentation tank that would prevent air-borne bacteria from entering and spoiling the brew.

    How did they ferment beer?

    Courtesy Link Studio

    How did they make diphtheria antitoxin?

    Courtesy Link Studio

    How did they make insulin from recombinant DNA?

    Courtesy Link Studio

    How did they make penicillin?

    Courtesy Link Studio

    Insulin sales kit,

    Eli Lilly and Company, 1940s

    Courtesy National Museum of American History

    In the early 1920s, Canadian researchers isolated insulin from the pancreas glands of animals and successfully treated children with diabetes. They partnered with the American company Eli Lilly to mass produce this life-saving substance. This sales kit illustrates the step-by-step process for manufacturing insulin.

    Intubation kit,

    ca. 1898

    Courtesy National Museum of American History

    Diphtheria is characterized by a membrane that grows in the throat causing the infected child to struggle for breath. To prevent suffocation, doctors performed tracheotomies and intubation, surgical methods for restoring a breathing passage.

    This intubation kit includes a set of seven tubes, sized for children up to age twelve, along with the tools used for inserting and extracting the tubes from the throat.

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