Grace's Guide

British Industrial History

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 133,821 pages of information and 211,931 images on early companies, their products and the people who designed and built them.

John C. Hoyer

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of St. Mary's Works, Eldon Road, Wood Green, London, N

  • 1899 Company established.
  • Manufacturers of scientific instruments including Dr. A. D. Waller's physiological instruments, digital sphygmographs, photographing boxes, lantern railways, myographs, chloroform apparatus etc., Lippmann's capillary electrometers etc., slow and fast clock-driven cylinders for recording, electric signal time clocks, Dr. W. L. Symes' embedding baths and apparatus, all-metal gas regulators, clinical and surgical instruments, engineers' small tools, gas and electric heated soldering irons, "Always Accurate" pocket spring balance for nurses, fishermen, jewellers etc. [1]


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