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 142,961 pages of information and 228,875 images on early companies, their products and the people who designed and built them.

Telephone Rentals

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of Knightsbridge, London.

1929 Public company.

1961 Installators and maintainers of internal telephones, internal broadcasting, time and cost recorders, synchronised clocks, machine control (Centralograph); fire alarm and fire detection systems, staff location and watchmen protection equipment. Also install and maintain on rental, refrigeration and water softening plant. [1]

1988 Acquired by Cable and Wireless; the non-telecommunications operations were put into a new business unit, Time and Security, of Mercury Communications[2]


See Also

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Sources of Information

  1. 1961 Dun and Bradstreet KBE
  2. The Times, October 23, 1993