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Subject heading: Communications
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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

    SCHEDULES OF TELEGRAMS

    Archives / Collections and Fonds
    File
    Textual material
    Item ID number:
    1834064
    Date:
    1937
    Source:
    Government
    Reference:
    RG25, Volume number: 1821, File number: 1937-93
    SCHEDULES OF TELEGRAMS. COMMUNICATIONS-TELEGRAMS-SCHEDULES
  5. 5
    No digital object

    APPOINTMENT OF S.J. HANGERFORD TO INSTITUT SCIENTIFIQUE D'ETUDES DES COMMUNICATIONS DES TRANPORTS

    Archives / Collections and Fonds
    File
    Textual material
    Item ID number:
    1834055
    Date:
    1937-1938
    Source:
    Government
    Reference:
    RG25, Volume number: 1849, File number: 1937-913
    APPOINTMENT OF SJ HANGERFORD TO INSTITUT SCIENTIFIQUE D'ETUDES DES COMMUNICATIONS DES TRANPORTS. HANGERFOR S J-APPOINTMENT-INSTITUT SC DETUDES DES 
  6. 6
    No digital object

    COMMUNICATIONS TO NEWFOUNDLAND

    Archives / Collections and Fonds
    File
    Textual material
    Item ID number:
    1834255
    Date:
    1938
    Source:
    Government
    Reference:
    RG25, Volume number: 1874, File number: 1938-495
    COMMUNICATIONS TO NEWFOUNDLAND. COMMUNICATIONS-NEWFOUNDLAND NEWFOUNDLAND-COMMUNICATIONS
  7. 7
    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
  8. 8
    No digital object

    CORRESPONDENCE TO AND FROM CHIEFS OF GENERAL STAFF, OTTAWA AND LONDON

    Archives / Collections and Fonds
    File
    Textual material
    Item ID number:
    1833933
    Date:
    1937-1946
    Source:
    Government
    Reference:
    RG25, Volume number: 1817, File number: 1937-63
    CORRESPONDENCE TO AND FROM CHIEFS OF GENERAL STAFF, OTTAWA AND LONDON. OTTAWA-MILITARY COMMUNICATIONS-CHIEFS OF GENERAL STAFF MILITARY COMMUNICATIONS-CHIEFS 
  9. 9
    No digital object

    INTERNATIONAL COMMUNICATIONS AND TRANSIT CONFERENCE, GENEVA 1927

    Archives / Collections and Fonds
    File
    Textual material
    Item ID number:
    1830453
    Date:
    1927-1931
    Source:
    Government
    Reference:
    RG25, Volume number: 1486, File number: 1927-79-A
    INTERNATIONAL COMMUNICATIONS AND TRANSIT CONFERENCE, GENEVA 1927. CONFERENCE-INTERNATIONAL-COMMUNICATIONS AND TRANSIT INTERNATIONAL-COMMUNICATIONS AND 
  10. 10
    No digital object

    SCHEDULES OF DESPATCHES SENT TO DOMINIONS OFFICE

    Archives / Collections and Fonds
    File
    Textual material
    Item ID number:
    1832125
    Date:
    1932
    Source:
    Government
    Reference:
    RG25, Volume number: 1619, File number: 1932-94
    SCHEDULES OF DESPATCHES SENT TO DOMINIONS OFFICE. DOMINIONS OFFICE-COMMUNICATIONS-DESPATCHES COMMUNICATIONS-DOMINIONS OFFICE-DESPATCHES
  11. 11
    No digital object

    SCHEDULE OF DESPATCHES SENT TO DOMINIONS OFFICE

    Archives / Collections and Fonds
    File
    Textual material
    Item ID number:
    1831412
    Date:
    1929-1931
    Source:
    Government
    Reference:
    RG25, Volume number: 1562, File number: 1930-94-C
    SCHEDULE OF DESPATCHES SENT TO DOMINIONS OFFICE. COMMUNICATIONS-DOMINIONS OFFICE DOMINIONS OFFICE-SCHEDULE OF DESPATCHES
  12. 12
    No digital object

    FOURTH COMMUNICATIONS AND TRANSIT CONFERENCE, GENEVA 1931

    Archives / Collections and Fonds
    File
    Textual material
    Item ID number:
    1831756
    Date:
    1931-1932
    Source:
    Government
    Reference:
    RG25, Volume number: 1583, File number: 1931-79-B
    FOURTH COMMUNICATIONS AND TRANSIT CONFERENCE, GENEVA 1931. CONFERENCE-COMMUNICATIONS AND TRANSIT-GENEVA CONVENTION-COMMUNICATIONS AND 
  13. 13
    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 
  14. 14
    No digital object

    RADIO AGREEMENT RE POLARIS-TAKU MINING CO.LTD., AND ALASKA COMMUNICATIONS SYSTEM

    Archives / Collections and Fonds
    File
    Textual material
    Item ID number:
    1834191
    Date:
    1938-1939
    Source:
    Government
    Reference:
    RG25, Volume number: 1854, File number: 1938-28F
    RADIO AGREEMENT RE POLARIS-TAKU MINING CO.LTD., AND ALASKA COMMUNICATIONS SYSTEM. RADIO AGREEMENT-POLARIS TAKU MINING CO LTD-ALASKA COMMUNICATIONS 
  15. 15
    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 
  16. 16
    No digital object

    SCHEDULES OF TELEGRAMS TO END FROM DOMINIONS OFFICE

    Archives / Collections and Fonds
    File
    Textual material
    Item ID number:
    1832124
    Date:
    1932-1933
    Source:
    Government
    Reference:
    RG25, Volume number: 1619, File number: 1932-93A
    SCHEDULES OF TELEGRAMS TO END FROM DOMINIONS OFFICE. DOMINIONS OFFICE-COMMUNICATIONS-TELEGRAMS COMMUNICATIONS-DOMINIONS OFFICE-TELEGRAMS
  17. 17
    No digital object

    EXCHANGE OF INFORMATION AND COMMUNICATIONS BETWEEN DEPARTMENT OF EXTERNAL AFFAIRS AND OFFICES ABROAD - PROCEDURE AND INSTRUCTIONS

    Archives / Collections and Fonds
    File
    Textual material
    Item ID number:
    1835491
    Date:
    1936-1946
    Source:
    Government
    Reference:
    RG25, Volume number: 1894, File number: 1939-125, File part: 1
    EXCHANGE OF INFORMATION AND COMMUNICATIONS BETWEEN DEPARTMENT OF EXTERNAL AFFAIRS AND OFFICES ABROAD - PROCEDURE AND INSTRUCTIONS
  18. 18
    No digital object

    CORRESPONDENCE TO AND FROM CHIEF OF GENERAL STAFF, OTTAWA AND ROYAL AIR FORCE MARSHAL

    Archives / Collections and Fonds
    File
    Textual material
    Item ID number:
    1833934
    Date:
    1937-1940
    Source:
    Government
    Reference:
    RG25, Volume number: 1817, File number: 1937-63-A
    CORRESPONDENCE TO AND FROM CHIEF OF GENERAL STAFF, OTTAWA AND ROYAL AIR FORCE MARSHAL. CHIEF OF GENERAL STAFF-MILITARY COMMUNICATIONS-ROYAL AIR FORCE 
  19. 19
    No digital object

    SCHEDULES OF TELEGRAMS TO AND FROM DOMINIONS OFFICE

    Archives / Collections and Fonds
    File
    Textual material
    Item ID number:
    1831410
    Date:
    1930
    Source:
    Government
    Reference:
    RG25, Volume number: 1562, File number: 1930-93-A-C
    SCHEDULES OF TELEGRAMS TO AND FROM DOMINIONS OFFICE. DOMINIONS OFFICE-SCHEDULES OF TELEGRAMS COMMUNICATIONS-DOMINIONS OFFICE
  20. 20
    No digital object

    INTERNATIONAL COMMUNICATIONS AND TRANSIT CONVENTIONS, BARCELONA, 1921. FREEDOM OF TRANSIT CONVENTION REGIME OF INTERNATIONAL WATERWAYS RIGHT TO FLAT OF STATES HAVING NO SEA COAST

    Archives / Collections and Fonds
    File
    Textual material
    Item ID number:
    1830452
    Date:
    1927-1931
    Source:
    Government
    Reference:
    RG25, Volume number: 1486, File number: 1927-79
    INTERNATIONAL COMMUNICATIONS AND TRANSIT CONVENTIONS, BARCELONA, 1921. FREEDOM OF TRANSIT CONVENTION REGIME OF INTERNATIONAL WATERWAYS RIGHT TO FLAT OF 
  21. 21
    No digital object

    BRITISH EMPIRE CIVIL AIR COMMUNICATIONS IN TIME OF WAR

    Archives / Collections and Fonds
    File
    Textual material
    Item ID number:
    1834774
    Date:
    1939-1940
    Source:
    Government
    Reference:
    RG25, Volume number: 1905, File number: 1939-400
    BRITISH EMPIRE CIVIL AIR COMMUNICATIONS IN TIME OF WAR. BRITISH EMPIRE-CIVIL AVIATION-AIR COMMUNICATIONS AIR COMMUNICATIONS-CIVIL AVIATION-BRITISH 
  22. 22
    No digital object

    DESPATCHES ON COMMERCIAL MATTERS MAY BE SENT TO CANADIAN TRADE COMMISSIONERS

    Archives / Collections and Fonds
    File
    Textual material
    Item ID number:
    1831277
    Date:
    1930-1931
    Source:
    Government
    Reference:
    RG25, Volume number: 1566, File number: 1930-322-B
    DESPATCHES ON COMMERCIAL MATTERS MAY BE SENT TO CANADIAN TRADE COMMISSIONERS. CANADA-TRADE COMMISSIONERS-COMMERCIAL COMMUNICATIONS COMMERCIAL 
  23. 23
    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 
  24. 24
    No digital object

    IMPERIAL COMMUNICATIONS ADVISORY COMMITTEE MINUTES

    Archives / Collections and Fonds
    File
    Textual material
    Item ID number:
    1836277
    Date:
    1939-1944
    Source:
    Government
    Reference:
    RG25, Volume number: 1737, File number: 1935-173, File part: 5-8
    IMPERIAL COMMUNICATIONS ADVISORY COMMITTEE MINUTES. IMPERIAL-COMMUNICATIONS-ADVISORY COMMITTEE COMMUNICATIONS-ADVISORY COMMITTEE-IMPERIAL ADVISORY 
  25. 25
    No digital object

    LINEN ENVELOPES TO BE USED FOR COMMUNICATIONS WITH GENEVA OFFICE; ESTABLISHMENT OF DIPLOMATIC BAG SERVICE

    Archives / Collections and Fonds
    File
    Textual material
    Item ID number:
    1831066
    Date:
    1929-1934
    Source:
    Government
    Reference:
    RG25, Volume number: 1532, File number: 1929-77-B
    LINEN ENVELOPES TO BE USED FOR COMMUNICATIONS WITH GENEVA OFFICE; ESTABLISHMENT OF DIPLOMATIC BAG SERVICE. COMMUNICATIONS-GENEVA OFFICE-DIPLOMATIC BAG 
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