BS 229:1957 Specification. Flameproof enclosure of electrical apparatus standard by BSI Group, 03/30/1957
BS 2SP 47:1957 Single coil spring washers for aircraft standard by BSI Group, 03/29/1957
BS CP 151-1:1957 Doors and windows including frames and linings. Wooden doors standard by BSI Group, 03/22/1957
BS 2832:1957 Specification for hot applied damp resisting coatings for solums standard by BSI Group, 02/18/1957
BS 373:1957 Methods of testing small clear specimens of timber standard by BSI Group, 02/21/1957
BS 2827:1957 Specification for machine screw nuts, pressed type (B.A. and Whitworth form threads) standard by BSI Group, 02/08/1957
BS 2G 115:1956 Specification for sensitive altimeters for aircraft standard by BSI Group, 12/12/1956
BS 2SP 101-104:1956 Specifications for turnbarrels, tension rods and swaged cable-end connections (Unified threads) for aircraft standard by BSI Group, 09/27/1956
BS 84:1956 Specification for parallel screw threads of Whitworth form standard by BSI Group, 09/26/1956
BS 894:1956 Specification for Ubbelohde apparatus for flow and drop points standard by BSI Group, 08/30/1956
BS G 152:1956 Specification for a.c. electrically-operated artificial horizons for aircraft standard by BSI Group, 08/30/1956
BS 2737:1956 Terminology of internal defects in castings as revealed by radiography standard by BSI Group, 07/17/1956