Project no. 2 -- Operations at high temperatures. Partial report on sub-project no. 2-3, Test of the adequacy and ranges of use of clothing for jungle operations : sub-project no. 2-18, Effects of impregnated and impervious clothing upon the efficiency of personnel
Partial report on sub-project no. 2-3, Test of the adequacy and ranges of use of clothing for jungle operations : sub-project no. 2-18, Effects of impregnated and impervious clothing upon the efficiency of personnel, Test of the adequacy and ranges of use of clothing for jungle operations, and Effects of impregnated and impervious clothing upon the efficiency of personnel