BS 2059/2:1957 Summary sheet: straight sided splines. Bottom fitting. Deep
BS 2059/3:1957 Summary sheet: straight sided serrations. Internal and external
BS 1104:1957 Specification for general purpose Acme screw threads
BS 373:1957 Methods of testing small clear specimens of timber
BS 2832:1957 Specification for hot applied damp resisting coatings for solums
BS 2827:1957 (R2017) Specification for machine screw nuts, pressed type (B.A. and Whitworth form threads) partTitleEN sectionTitleEN
BS 2G 115:1956 Specification for sensitive altimeters for aircraft
BS 894:1956 Specification for Ubbelohde apparatus for flow and drop points
BS G 152:1956 (R2014) Specification for a.c. electrically-operated artificial horizons aircraft partTitleEN sectionTitleEN
BS 2737:1956 (R2016) Terminology of internal defects in castings as revealed by radiography partTitleEN sectionTitleEN