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Date: 1935
Source: Government
Subject heading: Communications
Showing 1 - 10 of 10 filtered results
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  1. 1
    No digital object

    REVISION OF INTERNATIONAL CODE OF SIGNALS; ALSO RADIO CALL SIGNALS

    Archives / Collections and Fonds
    File
    Textual material
    Item ID number:
    1830873
    Date:
    1929-1939
    Source:
    Government
    Reference:
    RG25, Volume number: 1539, File number: 1929-220
    REVISION OF INTERNATIONAL CODE OF SIGNALS; ALSO RADIO CALL SIGNALS. INTERNATIONAL CODE-SIGNALS RADIO CALL SIGNALS-INTERNATIONAL CODE SIGNALS-INTERNATIONAL 
  2. 2
    No digital object

    EDMONTON/HOBBEMA DISTRICT - DEPARTMENTAL TELEPHONE LINES

    Archives / Collections and Fonds
    File
    Textual material
    Item ID number:
    2051212
    Date:
    1902-1960
    Source:
    Government
    Reference:
    RG10, Volume number: 8746, Microfilm reel number: C-14887, File number: 774/8-12, File part: 2
    EDMONTON/HOBBEMA DISTRICT - DEPARTMENTAL TELEPHONE LINES. EDMONTON-HOBBEMA-COMMUNICATIONS COMMUNICATIONS-EDMONTON-HOBBEMA
  3. 3
    No digital object

    WAR OFFICE CYPHERS

    Archives / Collections and Fonds
    File
    Textual material
    Item ID number:
    1830392
    Date:
    1927-1938
    Source:
    Government
    Reference:
    RG25, Volume number: 1497, File number: 1927-646-C
    WAR OFFICE CYPHERS. WAR OFFICE-CYPHERS DEFENCE-COMMUNICATIONS-WAR OFFICE CYPHERS COMMUNICATION-DEFENCE-WAR OFFICE CYPHERS
  4. 4
    No digital object

    INTERNATIONAL COMMUNICATIONS AND TRANSIT CONVENTIONS, GENEVA, 1923

    Archives / Collections and Fonds
    File
    Textual material
    Item ID number:
    1830115
    Date:
    1926-1940
    Source:
    Government
    Reference:
    RG25, Volume number: 1462, File number: 1926-79
    INTERNATIONAL COMMUNICATIONS AND TRANSIT CONVENTIONS, GENEVA, 1923
  5. 5
    (Relief Projects - No. 27). Radio beacon and tower Feb. 1935
    1 digital object(s)

    (Relief Projects - No. 27). Radio beacon and tower

    Archives / Collections and Fonds
    Item (linked)
    Photographs
    Item ID number:
    3577859
    Date:
    Feb. 1935
    Source:
    Government
    (Relief Projects - No. 27). Radio beacon and tower. Depressions 1929 Canada MILITARY AIR FORCE - COMMUNICATIONS (PRE WWII). Credit: Canada
  6. 6
    No digital object

    CANADIAN MARCONI CO. RENTING BEAM STATIONS TO IMPERIAL AND INTERNATIONAL COMMUNICATIONS LTD

    Archives / Collections and Fonds
    File
    Textual material
    Item ID number:
    1831932
    Date:
    1932-1935
    Source:
    Government
    Reference:
    RG25, Volume number: 1614, File number: 1932-28G
    CANADIAN MARCONI CO. RENTING BEAM STATIONS TO IMPERIAL AND INTERNATIONAL COMMUNICATIONS LTD. CANADIAN MARCONI CO-INTERNATIONAL COMMUNICATIONS LTD-IMPERIAL 
  7. 7
    No digital object

    BELL CANADA AGREEMENT WITH THE ONTARIO NORTHLAND COMMUNICATIONS

    Archives / Collections and Fonds
    File
    Textual material
    Item ID number:
    1692104
    Date:
    1918-1968
    Source:
    Government
    Reference:
    RG46-C-II-1, Volume number: 1743, File number: 3839.437
    BELL CANADA AGREEMENT WITH THE ONTARIO NORTHLAND COMMUNICATIONS. BELL CANADA-AGREEMENT AGREEMENT-BELL CANADA ONTARIO NORTHLAND 
  8. 8
    No digital object

    Canadian Transport Commission collection [graphic material]

    Archives / Collections and Fonds
    Accession
    Photographs
    Item ID number:
    14748
    Date:
    1912-1962
    Source:
    Government
    Reference:
    1987-012 NPC
    Canadian Transport Commission collection [graphic material]. Canadian Transport Commission Bell Canada Microwave communications systems Oakville (Ont.) 
  9. 9
    No digital object

    IMPERIAL COMMUNICATIONS ADVISORY COMMITTEE MINUTES

    Archives / Collections and Fonds
    File
    Textual material
    Item ID number:
    1836146
    Date:
    1935-1939
    Source:
    Government
    Reference:
    RG25, Volume number: 1736, File number: 1935-173, File part: 1-4
    IMPERIAL COMMUNICATIONS ADVISORY COMMITTEE MINUTES. IMPERIAL-COMMUNICATIONS-ADVISORY COMMITTEE COMMUNICATIONS-ADVISORY COMMITTEE-IMPERIAL ADVISORY 
  10. 10
    No digital object

    CHANNELS OF COMMUNICATIONS BETWEEN DOMINIONS AND BRITISH GOVERNMENTS

    Archives / Collections and Fonds
    File
    Textual material
    Item ID number:
    1830198
    Date:
    1924-1941 1954
    Source:
    Government
    Reference:
    RG25, Volume number: 1488, File number: 1927-142-C
    CHANNELS OF COMMUNICATIONS BETWEEN DOMINIONS AND BRITISH GOVERNMENTS. COMMUNICATIONS-GREAT BRITAIN-DOMINIONS GREAT 
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