The department of DNI changed quickly efficient and highly effective, and like this an influential voice inside of Admiralty. It was concerned with all of the aspects of the enemy and allied transport, including the number of the embarkations, of their types, armaments and so on. He also drew movements of the transport, particularly of the cruisers and of the enemy surface submarines. The information of the topography of foreign countries, particularly backs, and in coast defenses it was also collected. The department to make a main part in the work of the intelligence of the signs in both world wars (to see the section 5. Intelligence of the signs below).  

      Any record of the time of the peace of the naval department of the intelligence (NID) it was still liberated, although there were some reports printed in ADM 231.  

Reference of the catalog  

Description  

ADM 231 naval Papers of the intelligence, 1883-1912. Count reports in the foreign ships, in the coast defenses etc., produced by the committee of the foreign intelligence, and of 1887 for NID.

ADM 137 War 1914-1918. It includes papers of NID in the “room 40”, many of him in the intelligence of the signs.

ADM 233 News Wirelesses 1918-1921. The summaries of deciphered signs circulated for NID and for the school of the code and of the government's Cypher (GCCS); to see also signals the intelligence below.