Browse Items (431 total) Browse All Browse by Tag Search Items Collection: CDWI (Wireless Interception) Page of 22 Next Page Sort by: Title Creator Date Added Anti-aircraft gunners manning their guns on the roof of Canadian Military Headquarters, London, England, November 1942 Dept. of National Defence Nov 1942 Using D/F equipment and triangulation to locate a radio transmitter Zoë Reichert, for Canada Declassified August 28, 2026 Zoë's pigpen cipher Canada Declassified 27 Aug 2026 The Second Japanese Army Cipher Conference 1944 U.S. Army March 1944 N.R.C. Main Building (1940s) National Research Council Canada 1940 1939 advertising for Hammarlund Super Pro 1939 Canadian Marconi Company plant in Montreal (demolished) n.d. Oceania and Pacific Ocean [cartographic material] George Philip & Son 1940 Victory in Europe Day (VE Day) celebrations [Toronto, ON] May 1945 [First page of 1939 Official Secrets Act] Government of Canada 3 Jun 1939 Wartime temporary military administration buildings of National Defence Headquarters, located West of the Cartier Square Drill Hall Dept. of National Defence 24 Feb 1943 No. 2 Special Wireless Station Grand Prairie Alberta - 1942-1947 Government of Canada [1942-1947] Sussex [National Research Council] Building National Research Council Canada n.d. Convoy assembling in Bedford Basin, Halifax, N.S. Dept. of National Defence 1941 Playfair grid Canada Declassified Front Cover of Field Service Pocket Book Pamphlet No. 2: Orders and Intercommunication 1939 FCC D/F Chart (taken from CDWI00315) 8-Jul-42 War Office: Main Building War Office Second World War Official Collection [n.d.] Joachim von Ribbentrop welcoming Vyacheslav Molotov in Berlin, November 1940 14-Nov-1940 Aerial View of Lower Manhattan in 1940 War Department. Army Air Forces. 6/20/1941-9/26/1947. U.S. National Archives and Records Administration. 11-Mar-40 Page of 22 Next Page Output Formats atom, csv, dcmes-xml, json, omeka-xml, rss2
