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Showing 1 - 4 of 4 filtered results
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  1. 1
    3 digital object(s)
    Archives / Collections and Fonds
    Item (linked)
    Textual material
    Item ID number:
    509444
    Date:
    June 29, 1886
    Source:
    Private
    Reference:
    MG26-A, Volume number: 427, Microfilm reel number: C-1777
    [Correspondence] [textual record] Macdonald, John Alexander Correspondence June 29, 1886. Patents - Sowing Machine
  2. 2
    2 digital object(s)
    Archives / Collections and Fonds
    Item (linked)
    Textual material
    Item ID number:
    544240
    Date:
    March 02, 1880
    Source:
    Private
    Reference:
    MG26-A, Volume number: 366, Microfilm reel number: C-1748
    [Correspondence] [textual record] Macdonald, John Alexander Correspondence March 02, 1880. Patents - Machine
  3. 3
    1 digital object(s)
    Archives / Collections and Fonds
    Item (linked)
    Textual material
    Item ID number:
    547591
    Date:
    March 19, 1872
    Source:
    Private
    Reference:
    MG26-A, Volume number: 520, Microfilm reel number: C-30
    [Correspondence] [textual record] Macdonald, John Alexander Correspondence March 19, 1872. Great Britain United States Patents-machine Gun Caldwell 
  4. 4
    No digital object
    Archives / Collections and Fonds
    Collection
    Textual material
    Item ID number:
    106398
    Date:
    1876-1927
    Source:
    Private
    Reference:
    R17075-0-5-E, MG55/30-No56
    MJ Revise collection [textual record]. Patents, 1876-1927 Hog-scraping machine - Patents, [1876-1927] Recording nest for poultry - Patents, 
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