Browse Items (418 total) Browse All Browse by Tag Search Items Collection: CDWI (Wireless Interception) Page of 21 Next Page Sort by: Title Creator Date Added 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 Americans in Britain: the Training of the Civilian Technical Corps at RAF Radio School, Cranwell, England, 1941 Ministry of Information Second World War Official Collection 1941 Laurel, Maryland. Monitoring at the United States Federal Communications Commission listening post Lewis Walker. Farm Security Administration - Office of War Information Photograph Collection (Library of Congress) July 1944 National Geographic World Map 1935 National Geographic 1-Dec-35 W/T Room Interior - [No. 4 Wireless School Burtch] Dept. of National Defence 13-Nov-41 R.C.A.F. signals personnel operating radios (Goose Bay, Labrador) May 1943 Signallers, Royal Canadian Navy Signal Station, Gordon Head, British Columbia, Canada, 17 March 1942 Dept. of National Defence 17-Mar-42 Woods Building and Canadian Buildings, Slater Street, Ottawa, Ont Dept. of Public Works 06-Apr-38 Envelope of Letter from Sydney Guy Lawrence June 1942 Russian alphabet n.d. A Lorenz SZ42 cipher machine on display at Bletchley Park museum n.d. Spanish politician Nicolau D'Olwer 1931 An unidentified member of the Women's Royal Canadian Naval Service (W.R.C.N.S.) operating direction-finding equipment at H.M.C.S. COVERDALE, Riverview, New Brunswick, Canada, August 1945 Dept. of National Defence August 1945 Government Telegraphs and Wireless Station, Stewart, B.C Library and Archives Canada 1945 Page of 21 Next Page Output Formats atom, csv, dcmes-xml, json, omeka-xml, rss2