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Project no. 20 -- Studies of cold weather clothing. Report on sub-project no. 20-2, The insulation provided by windbreaks (OQMG test no. 57-II)
Project no. 20 -- Studies of cold weather clothing. Report on sub-project no. 20-2, The insulation provided by windbreaks (OQMG test no. 57-II)
Report on sub-project no. 20-2, The insulation provided by windbreaks (OQMG test no. 57-II) and Insulation provided by windbreaks (OQMG test no. 57-II)