Worsdall Mercury Controls

of Africa House, Kingsway, London, WC2. Telephone: Chancery 8545/6/7. Telegraphic Address: "Wormercolt, Westcent, London"

1937 British Industries Fair Advert for "Mercury" Resettable Fuses. Mercury Cut-Outs or Fuses, resettable by Pressing button, for domestic and industrial installations. Mercury Motor Starters. Mercury Cartridge Fuses. (Electricity: Industrial and Domestic Section - Stand No. Cb. 229) ^[1]