BS 392:1929. White titanium dioxide pigment for paints
BS 173:1928. Electrical performance of traction motors (direct current, series wound)
BS 326:1928. Electrical performance of transformers for X-ray purposes
BS 312:1928. Natural sienna (raw and burnt) for paints
BS 302:1927. Round strand steel wire ropes for cranes
BS 174 to 181:1927. Overhead line-wire material (non ferrous) for telegraph and telephone purposes
BS 241:1926. Genuine white lead oil for paints
BS 240:1926. Standard tables of Brinell hardness numbers