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Showing results for 1 - 20 of 355 1930s 1970s 1920s 1950s

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  1. SIO Photographs Collection

    • A diverse assortment of photographic images acquired by the former SIO Archives and collated into one collection. Images include SIO staff and faculty, the campus, and scientific expeditions.
    • Creation Date: between 1900 and 2006
  2. Compressor at La Dificultad mine, Pachuca, Hidalgo

    • Collection: José Villegas Collection on Mining
    • Name: Compañía Real del Monte y Pachuca
    • Date: between 1895 and 1983
    • Topic: Mining machinery
    • Format: image
  3. Hacienda de Beneficio Loreto, Pachuca, Hidalgo

    • Collection: José Villegas Collection on Mining
    • Name: Compañía Real del Monte y Pachuca
    • Date: between 1895 and 1983
    • Topic: Silver mines and mining
    • Format: image
  4. La Dificultad mine steam engine house chimney, Pachuca, Hidalgo

    • Collection: José Villegas Collection on Mining
    • Name: Compañía Real del Monte y Pachuca
    • Date: between 1895 and 1983
    • Topic: Silver mines and mining
    • Format: image
  5. La Dificultad mine steam engine house, Pachuca, Hidalgo

    • Collection: José Villegas Collection on Mining
    • Name: Compañía Real del Monte y Pachuca
    • Date: between 1895 and 1983
    • Topic: Silver mines and mining
    • Format: image
  6. Casa de la máquina de vapor y chimenea Real del Monte

    • Collection: José Villegas Collection on Mining
    • Name: Compañía Real del Monte y Pachuca
    • Date: between 1895 and 1983
    • Topic: Silver mines and mining
    • Format: image
  7. José Villegas Collection on Mining

    • Documents and photographs relating to silver mining operations in Mexico, principally Real del Monte and Pachuca during the periods of British (1824-1849) and Mexican (1849-1906) capitalization and management.
    • Creation Date: circa 1825-1983
  8. La Valencia Hotel, La Jolla, California

    • Collection: Baja California and the West Postcard Collection
    • Date: between 1926 and 1989
    • Topic: Hotels; Beaches
    • Format: image
  9. Baja California and the West Postcard Collection

    • Postcards depicting California, Baja California, and the Southwest, mostly from the early 1900s. Images of Tijuana, Ensenada, Balboa Park, and the California missions are well-represented in this collection.
    • Creation Date: 1900-1989
  10. Papua New Guinea Patrol Reports

    • Reports from government patrols are a major source of primary information on Papua New Guinea’s colonial-era history.  Patrol officers and other officials wrote detailed documents reporting on all aspects of the work carried out by the patrols.  The reports give first-hand accounts on many topics, from first contact with remote Highland villages, to census counts, tax collection, health care, justice, labor recruiting, plantations, missionaries, anthropological descriptions, tribal warfare, languages, and more.  The reports in this collection date primarily from the post-World War II era of Papua New Guinea, up through 1975, when PNG gained independence from Australia; a few pre-War reports are also included.
    • Creation Date: 1912-1976
  11. Scrapbook of clippings #4

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  12. Atomic bomb development

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  13. Arms Control

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  14. Scrapbook of clippings #3

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  15. Angels Project

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  16. Scrapbook of clippings #2

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  17. Amino Acid Charts

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  18. Aging

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  19. Scrapbook of clippings #1

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  20. Miscellaneous Materials

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text