| Disgrifiad | Concerning the desirability of the adoption of wireless codes for communication between British men of war and merchant ships on the high seas (10 headings); with acknowledgement of the Secretary of the Admiralty dated the following day. Also included is a further letter dated 28 January 1917 from the Secretary of the Admiralty referring to the first item alone, thanking H W K for his suggestions, and explaining that just such codes have been developed and issued to the Mercantile Marine |