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Showing results for 1 - 20 of 341 1900s 1960s Library Digital Collections

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  1. 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
  2. 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
  3. 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
  4. 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
  5. 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
  6. Handwritten genealogical notes on the Hubon family

    • Collection: Hubon Family Papers
    • Date: circa 1890-1966
    • Topic: Hubon family
    • Format: text
  7. Scrapbook of clippings #4

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

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

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

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

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

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

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

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

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

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  17. University of Colorado Medical Center

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  18. Miscellaneous - General Materials - 3

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  19. University of Chicago - Miscellaneous

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  20. Miscellaneous - General Materials - 2

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