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Showing results for 1 - 10 of 345 1930s 1970s 1920s 1950s 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. La Valencia Hotel, La Jolla, California

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