Library Digital Collections

Search

Showing results for 1 - 50 of 344 1960s 1920s 1980s 1890s

Search Results

  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. 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
  7. Leo Szilard Papers

    • A selection of documents, photos, and audio-visual materials of the nuclear physicist and inventor Leo Szilard.
    • Access: Some items restricted
    • Creation Date: 1898-1998
  8. San Diego History Center Photographs

    • Over 3,000 images from the San Diego History Center that document the rise and decline of the California fishing industry. These historical photographs from the 1870s to the 1980s represent the work of many important San Diego photographers.
    • Creation Date: 1880-1980
  9. Scripps Institution of Oceanography Letters, Clippings, Ships' Logs

    • Images of historical documents about Scripps expeditions.
    • Creation Date: 1873-1987
  10. Biology "Immunity II." (Chicago)

    • Collection: Leo Szilard Papers
    • Name: Szilard, Leo
    • Date: between 1898 and 1998
    • Format: text
  11. Biology 1 (Chicago). Includes draft of "Science is my racket" and "Chemostat"

    • Collection: Leo Szilard Papers
    • Name: Szilard, Leo
    • Date: between 1898 and 1998
    • Format: text
  12. Biology 7

    • Collection: Leo Szilard Papers
    • Name: Szilard, Leo
    • Date: between 1898 and 1998
    • Format: text
  13. Notebook 3

    • Collection: Leo Szilard Papers
    • Name: Szilard, Leo
    • Date: between 1898 and 1998
    • Format: text
  14. Patents - Liquid/Liquid extractor

    • Collection: Leo Szilard Papers
    • Name: Szilard, Leo
    • Date: between 1898 and 1998
    • Format: text
  15. Physics "Uranium"

    • Collection: Leo Szilard Papers
    • Name: Szilard, Leo
    • Date: between 1898 and 1998
    • Format: text
  16. Physics (G-22)

    • Collection: Leo Szilard Papers
    • Name: Szilard, Leo
    • Date: between 1898 and 1998
    • Format: text
  17. "Reminiscences" Excerpts 

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  18. [Biology (G-31)]

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  19. [Biology (K-12)]

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

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  21. Aging (S-48) 

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  22. American Arbitration Association

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

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

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  25. Antibody letters (V-83) 

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  26. Atomic Energy Control Conference

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  27. Bethe Chicago (G-29)

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  28. Bibliographic materials 

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  29. Biographical publications

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  30. Biographical References for Extension of Leo Szilard Biography 

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  31. Biology "DNA" 

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  32. Biology (Aging G-27) 

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  33. Biology (B-1) 

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  34. Biology (E-11) 

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  35. Biology (E-52) 

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  36. Biology (R-26) 

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  37. Biology 4 (Chicago)

    • Collection: Leo Szilard Papers
    • Name: Szilard, Leo
    • Date: between 1898 and 1998
    • Format: text
  38. Biology Algae (E-33) 

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  39. Bullsperm - Photographs

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

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  41. C- miscellaneous - Correspondence - part 1

    • Collection: Leo Szilard Papers
    • Name: Szilard, Leo -- correspondence
    • Date: between 1898 and 1998
    • Format: text
  42. Canfield, Cass

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  43. Central Nervous System

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  44. Cold Springs Harbor Symposium

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  45. Collected Works of Leo Szilard: Notes - 1

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  46. Collected Works of Leo Szilard: Notes - 2

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  47. Collected Works of Leo Szilard: Notes - 4

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  48. Collected Works of Leo Szilard: Notes - 5

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  49. Congress International de Physique Nucleaire

    • Collection: Leo Szilard Papers
    • Date: between 1898 and 1998
    • Format: text
  50. Coronary Heart Disease

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