BS 480:1933. Metal-sheathed paper-insulated plain annealed copper conductors for electricity supply including voltage tests
BS 279:1932. Flame proof type plug and socket heavy duty.100 ampere for voltages not exceeding 660 volts
BS 472:1932. Mains-operated synchronous clocks
BS 233:1932. Glossary of terms used in illumination and photometry
BS 407:1931. Phosphor bronze sheets and strip
BS 380:1930. Performance of desk-type electric fans
BS 350:1930. Conversion tables: inches to millimetres and millimetres to inches