10 February 1949 Memo from the secretary of the Underwater Physiology Sub-Committee enclosing two copies of the minutes of the thirtieth meeting of the Medical Research Council's Royal Naval Personnel Research Committee (Underwater Physiology Sub Committee), held 28 January 1949, and a list of members. <br /> Includes a copy of an unbound typescript titled "Diving and Submarine Handbook for Medical Officers" [referred to in the minutes]. Also includes a handwritten draft and typescript copy of Haldane's comments on the minutes. 10 Feb 1949