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Catalogue reference: ADM 137/1895A
This record is about the [Note: ADM 137/1895, 1895A-1895B are produced as a single document: order as ADM... dating from 1914-1918 in the series Admiralty: Historical Section: Records used for Official History, First World War. It is held at The National Archives, Kew.
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[Note: ADM 137/1895, 1895A-1895B are produced as a single document: order as ADM 137/1895].
Folio 1: Title page.
Folio 2: Explanatory note. During the period of the War, papers of a confidential nature in the office of the C-in-C Home Fleet were filed in Packs (numbered separately from the non-confidential records) in a Series 001 to 0042 inclusive. Copies of relevant telegrams were filed in these packs, but a complete set of all telegrams was also maintained. The secret packs were re-arranged by the Grand Fleet secretarial staff in February 1919, when papers considered unimportant were removed and destroyed, and the remainder re-indexed. They were received in this form by the Historical Section in April 1920, and bound as received, in a series of Volumes. The 1919 index will be found in the first volume (see ADM 137/1881) and extracts from this have been inserted in each succeeding volume. This volume is the 15th of the series.
Folio 3: Index of contents. Trade - The Blockade.
Folios 4-7: Blank.
Folios 8-12: Contents pages.
Section I - Signals.
Folios 13-44: Instructions for wireless signalling, January 1915.
Folios 45-68: Signal manual and Fleet signal book 1906.
Folios 69-73: General signal book 1915.
Folio 74: Timetable for coding times. Abolition, November 1916.
Folios 75-142: Proposals for revision of signal books, 1917.
Folios 143-150: Auxiliary vessels signal book, 1916.
Folios 151-152: Key memorandum No 8, VBS lights, February 1918.
Folios 153-155: Auxiliary vessels signal book, 1918, I and II.
Folios 156-159: Appendix to Mediterranean aircraft signal book, April 1918.
Folios 160-172: General signal book Part II. Late wireless code. Proposals, May 1918.
Folios 173-174: Distribution of gunfire signals. Firecode procedure and fire control code, May 1918.
Folios 175-178: Amendment to general signal book, May 1918.
Folios 179-180: Signal manual. Conduct of destroyers when screening, June 1918.
Folios 181-185: Appendix to general signal book, 1917.
Folios 186-187: Special signal for indicating cutting of mine by ship or sweeper with paravane or sweep.
Folios 188-237: Signal manual 1918 and Fleet code No 1 with Appendix B No 1.
Folios 238-240: Suggestions for general signal book from Rear Admiral 3rd Light Cruiser Squadron.
Folios 241-244: Private signals. French and British ships, August 1918.
Folios 245-249: 'D' flag. Naval code. Alteration in design, October 1918.
Folios 250-257: Amendments to signal books, battle instructions etc., October 1918.
Folios 258-264: Remarks on Fleet code and signal manual, October 1918.
Folios 265-266: Amendment to publication on wireless waves No 2, November 1918.
Folios 267-268: Key memorandum No 5, November 1918.
Folios 269-271: Remarks on key memoranda, December 1918.
Folios 272-273: Fleet code Vol II. Appendix B. Compass table, January 1919.
Section II - Signals.
Folios 275-292: Wireless code, May 1915.
Folios 293-296: Coding table designed by Private McEachron RMLI of HMS Donegal, February 1916.
Folios 297-303: Boarding table. Mr Pomeroy Assistant paymaster RNR. HMS Hildebrand, July 1916.
Folios 304-305: Submarines wireless code, December 1917.
Folios 306-324: Use of cyphers, June 1917.
Folios 325-327: Vocabulary and auxiliary codes. Replacement of groups, June 1917.
Folios 328-330: Memorandum and chart code for reporting position of hostile airships, July 1917.
Folios 331-334: Revision of distribution of auxiliary codes etc., August 1917.
Folios 335-340: Enemy reports transmitted from wireless shore stations, November 1917.
Folios 341-344: Procedure for bringing auxiliary codes into force, December 1917.
Folios 345-346: Cypher indicating groups, January 1918.
Folios 347-349: Special cover for cyphers, January 1918.
Folio 350: Call signs of minelaying force during operations 'A25' and 'DU', January 1918.
Folio 351: Economic code, 13 February 1918.
Folios 352-353: Code No 1 for reporting positions of East Coast convoys, January 1918.
Folios 354-355: Difficulties in coding messages for berthing ships and destroyers. Captain in charge Rosyth, February 1918.
Folios 356-358: Proposed code for orders to Fleet to raise steam, February 1918.
Folio 359: State of readiness of Grand Fleet destroyers and submarines, March 1918.
Folios 360-367: Suggested improvements in signal books. Major Hill RMLI of HMS Colossus, March 1918.
Folios 368-369: Aircraft code, 1917.
Folios 370-374: Result of meeting of coding officers of 1st Battle Squadron, April 1918.
Folios 375-384: Wireless code for single-seater aeroplanes, May 1918.
Folios 385-387: Suggested improvements for vocabulary signal book by Petty Officer H C Jennings RNVR. HMS Bellerophon, April 1918.
Folios 388-392: Land line cypher code. Suggested improvements, June 1918.
Folios 393-396: Suggested improvements of cyphers and codes, July 1918.
Folios 397-399: Allied signal manual and form AI. Adoption in certain convoys, July 1918.
Folios 400-428: 1st light cruiser squadron signal and wireless orders, November 1918.
[Listing continued in ADM 137/1895B].
ADM 137
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Records of the Admiralty, Naval Forces, Royal Marines, Coastguard, and related bodies
Admiralty: Historical Section: Records used for Official History, First World War
[Note: ADM 137/1895, 1895A-1895B are produced as a single document: order as ADM...
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