Janus: The Papers of Admiral Sir Frederic Charles Dreyer

Churchill/DRYR contains:
<-- See earlier
4/4	Miscellaneous papers, mostly 1916-18
5/1	Log book kept by Dreyer when he was Captain of "HMS Orion", August 1914-September 1915
6/1	Papers relating to the Battle of Jutland, 31 May-1 June 1916
6/2	Papers relating to the history of the Battle of Jutland, and the "Harper record" of the Battle by Captain J.E.T. (John Ernest Troyte) Harper
6/3	Papers relating to the history of the Battle of Jutland, and the "Naval Staff Appreciation" of the Battle
6/4	Papers relating to the history of the Battle of Jutland, and decyphered German signals
6/5	Papers relating to the Battle of Jutland
6/6	Chart of the Battle of Jutland
6/7	Photographs of the Battle of Jutland
6/8	Copies of Supplements to the "London Gazette" of 4 July and 15 September 1916
6/9	Later papers, articles and broadcasts relating to the Battle of Jutland
See later -->

The Papers of Admiral Sir Frederic Charles Dreyer

Title	Papers relating to the history of the Battle of Jutland, and decyphered German signals
Reference	DRYR 6/4
Covering Dates	1916–1955
Extent and Medium	1 file

Content and context

Includes letters from W.F. [William Francis] Clarke (Member of "Room 40" - First World War Naval Intelligence code-breaking unit) to Dryer, 1955; and schedules of decyphers produced by Room 40 OB on 31 May 1916.

Index Terms

Intelligence

No further on-line information.