University of Arizona

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History of Science

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  1. Letters Regarding the Russell Process

    Edward H. Russell was the inventor of the process for extracting silver from raw ore by lixiviation, using hyposulphite. This procedure was first successfully introduced in September 1884 at Silver Reef, Utah. Carbons of letters in bound letter copying ...

    castanoe - 2016-11-21 11:28

  2. Save the Scenic Santa Ritas records

    Save the Scenic Santa Ritas (SSSR) is a non-profit organization whose volunteers aim to "protect the scenic, aesthetic, recreational, environmental and wildlife values of the Santa Rita Mountains, Patagonia Mountains, Canelo Hills and San Rafael ...

    mnboyer - 2020-12-18 11:33

  3. Steve McLaughlin field notebooks

    This collection contains 32 field notebooks handwritten by botanist Steven McLaughlin, spanning the years 1973 to 2016. The notebooks vary in size and completeness, and a majority are related to the thousands of plant specimens he collected over his ...

    mnboyer - 2021-05-05 09:27

  4. Reuben Augustine Wilbur

    Includes appointments, correspondence, financial records and reports relating to his activities as United States Special Indian Agent and Physician for the Papago (now known as Tohono O'Odham) Indians; and personal andfamily papers including ...

    castanoe - 2021-05-28 10:35