Room 40, also known as 40 O.B. (old building; officially part of NID25), was the cryptanalysis section of the British Admiralty during the First World War.

2018年9月17日 · The ability of Room 40 to display the location of a significant number of German U-boats and Allied ships on a number of large maps located within the Admiralty’s War Room, …

Hidden away in an undisclosed location, Room 40, is where the code breakers reside—spending their days trying to uncover the meaning behind secret messages. Features 16 unique and …

Room 40 was a highly secretive British intelligence organization within the directorate of intelligence of the Admiralty. Its primary task was to intercept and decrypt German wireless …

2017年1月16日 · German naval and diplomatic communications were decoded by the Admiralty in Room 40, the centre of Naval Intelligence codebreaking in the First World War. The War Office …

2014年6月16日 · Room 40 was the Admiralty's secret intelligence-gathering and -processing department that provided vital intelligence to the British military commands and their allies …

persuade the British authorities to make a limited release of Room 40 records, but he is himself writing a book which I believe will be the definitive account of the tragedy.

2019年11月16日 · Recounts World War I intelligence operations of the British, shows how broken German codes were used to help control the shipping lanes, and identifies the events in which …

Hidden away in an undisclosed location, Room 40, is where the code breakers reside—spending their days trying to uncover the meaning behind secret messages.Features 16 unique and …

Room 40 is a puzzle game about learning to decipher and decode secret messages. Learn to break various methods of encryption used throughout history. Starting with basic methods …