The position of the back rests of the layer's and trainer's seats for use in the Director's Mark V and VI.; 5th meeting of Habitability Sub-Committee July 11, 1944.; 6th meeting of Habitability Subcommittee Aug.22, 1944.; 12th Meeting Royal Naval Personnel Research Committee October 3, 1944.; Notes on Asdic instrumentation in frigate bridge-hut mockup.; Proposals for the organisation of a tropical research unit for the medical Research Council and the Royal Navy.; Submarine air-purification trial carried out in H.M. Submarine 'Thule' on 4th-7th July, 1944.; Minutes of 18th meeting Underwater Physiology Sub-Committee, Oct.25, 1944.; Report on visit to Assault units and submarines at Taranto.; The toxic effects of oxygen on brain metabolism and on tissue enzymes; Ventilation of turrets III.; Minutes of 14th meeting Gunnery Subcommittee Oct.4, 1944.; Turret ventilation Progress Report.; Minutes of 7th meeting of Habitability Sub-committee Oct. 17, 1944.; Minutes 8th meeting of Habitability Subcommittee Nov.22, 1944.; Summary of action taken by DTSD on the Report on living and working conditions amongst RN personnel in the tropics by Surgeon Captain MacDonald Critchley RNVR and Surgeon Lieut. Commander HE Holling RNVR.; Minutes of 1st meeting of Visual Problems subcommittee Oct.26, 1944.; Shallow water blackout.; Report Gunnery Subcommittee, The Pressure which can be exerted by the foot of a seated operator with the leg in various positions.; Minutes 2nd Meeting of Visual Problems Subcommittee Dec.21, 1944.; Gunnery Subcommittee, Notes on C.R.S.1 Director; Gunnery Subcommittee Searcher Sights.; Handwheel designs in CRS1 mockup.; Minutes of Special meeting Habitability Subcommittee Jan 3, 1945.