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Showing 1 - 6 of 6 filtered results
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  1. 1
    2 digital object(s)
    Archives / Collections and Fonds
    Item (linked)
    Textual material
    Item ID number:
    500817
    Date:
    June 23, 1891
    Source:
    Private
    Reference:
    MG26-A, Volume number: 137, 137/X1, Microfilm reel number: C-1561
    [Correspondence] [textual record] Macdonald, John Alexander Correspondence June 23, 1891. Hughes S - Patent Ventilator Patents - Ventilator Hughes S 
  2. 2
    2 digital object(s)
    Archives / Collections and Fonds
    Item (linked)
    Textual material
    Item ID number:
    554527
    Date:
    September 15, 1890
    Source:
    Private
    Reference:
    MG26-A, Volume number: 488, Microfilm reel number: C-1802
    [Correspondence] [textual record] Macdonald, John Alexander Correspondence September 15, 1890. Railway Patents - Coach Ventilator Hughes S - Railway 
  3. 3
    2 digital object(s)
    Archives / Collections and Fonds
    Item (linked)
    Textual material
    Item ID number:
    500813
    Date:
    June 18, 1891
    Source:
    Private
    Reference:
    MG26-A, Volume number: 137, 137/X1, Microfilm reel number: C-1561
    [Correspondence] [textual record] Macdonald, John Alexander Correspondence June 18, 1891. Hughes S - Patent Ventilator Patents - Ventilator Hughes S 
  4. 4
    2 digital object(s)
    Archives / Collections and Fonds
    Item (linked)
    Textual material
    Item ID number:
    564012
    Date:
    June 22, 1891
    Source:
    Private
    Reference:
    MG26-A, Volume number: 137, 137/X1, Microfilm reel number: C-1561
    [Correspondence] [textual record] Macdonald, John Alexander Correspondence June 22, 1891. Hughes S - Railway Ventilator Patent
  5. 5
    2 digital object(s)
    Archives / Collections and Fonds
    Item (linked)
    Textual material
    Item ID number:
    564010
    Date:
    June 17, 1891
    Source:
    Private
    Reference:
    MG26-A, Volume number: 137, 137/X1, Microfilm reel number: C-1561
    [Correspondence] [textual record] Macdonald, John Alexander Correspondence June 17, 1891. Hughes S - Railway Ventilator Patent
  6. 6
    1 digital object(s)
    Archives / Collections and Fonds
    Item (linked)
    Textual material
    Item ID number:
    557098
    Date:
    January 23, 1891
    Source:
    Private
    Reference:
    MG26-A, Volume number: 533, 533/1, Microfilm reel number: C-37
    [Correspondence] [textual record] Macdonald, John Alexander Correspondence January 23, 1891. Hughes S - Patent Ventilator Hughes S - Railway Coach 
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