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 147,432 pages of information and 233,521 images on early companies, their products and the people who designed and built them.

Telegraph Construction and Maintenance Co

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1882. Gordon's dynamo electric machine.
August 1948.
March 1949.
June 1949.
September 1949.
December 1951. Telcon Metals.
June 1955.

of 22 Old Broad Street, London, EC2. Works at Greenwich, London, SE10. Telephone: GREenwich 1040. Telegraphic Address: "Moorings, Green, London". (1937)

Ditto Address. Telephone: London Wall 3141. Cables: "Telcon, Stock, London". (1947)

1864 Works founded. The company was formed to take over the telegraph manufacturing business of Glass, Elliot and Co, and the Gutta Percha Co. [1]

The company made the 1865 and 1866 transatlantic cables and (as its forerunner Glass, Elliot and Co), the 1857 and 1858 cables.

The SS Great Eastern laid much of the transatlantic cable. [2]

1872 Company owned SS Edinburgh - launched in 1855 and built as a passenger vessel by Tod and McGregor of Glasgow. Converted to a cable ship. [3]

1900 The company's tender for the Pacific Cable Co was accepted; the cable was laid across the Pacific by Nov 1902[4]

1903 Map: Telegraph Construction and Maintenance Co Ltd - Showing submarine telegraph cables the cores of which were manufactured at The Gutta Percha Works, Wharf Road, City Road, London, N. [5]

1914 Manufacturers, layers and repairers of submarine telegraph cables. [6]

1924 Invented and patented MUMETAL® high permeability alloy[7].

1926 Sir Geoffrey Clarke was appointed to the board of the company in succession to F. R. Lucas who had recently retired. He acted as joint managing director.[8]

1935 Submarine Cables Ltd was formed by Siemens Brothers and Co and Telegraph Construction and Maintenance Co when, because of the Depression, there was insufficient work for the submarine cable divisions of the 2 companies.

1937 British Industries Fair Advert for 'Telcon' Cables; Magnetic Alloys; Heat Resisting Alloys; Gutta Percha products. Manufacture and Laying of Impregnated Paper Insulated Cables. Broadcast Relay Cables. Cables for Television and High Frequencies. Magnetic and Heat-resisting Alloys. Gutta Percha Moulded Goods of every description. (Electricity: Industrial and Domestic Section - Stand No. Cb.503) [9]

1937 Cable manufacturers (P.I.I.C. for power distributors). "Radiometal" Alloy. "Rhometal". "2129" Alloy. [10]

1947 Listed Exhibitor - British Industries Fair. Manufacturers of High and Radio Frequency and Television Cables, Radio Relay Cables, Thermoplastic Cables. Magnetic, Resistance and Glass Sealing Alloys, Thermostatic Bimetals, Invar, Beryllium Copper. Thermoplastic Mouldings, Road, Sheets, Tubes. (Olympia, Ground Floor, Stand No. C.1524) [11]

1951 Joint sales venture Telcon Telecommunications Ltd formed with Mullard Electronic Products to promote and coordinate the development manufacture and sales of Telcon cables and Mullard electronic products associated with land line equipment[12]

1959 Was absorbed by BICC.

1961 Manufacturers of paper insulated power cables, radio frequency and television cables, land communication cables, magnetic and electrical resistance alloys, veryllium copper aged hardening alloys "Telcothene" and gutta percha thermoplastics. [13]

See Also


Sources of Information

  1. The Stock Exchange Year Book 1908
  2. The Engineer 1869/06/18
  3. [1] Shipping Times
  4. The Times Nov. 1, 1902
  5. [2] History of the Atlantic Cable and Submarine Telegraphy
  6. 1914 Whitakers Red Book
  7. Telcon history: [3]
  8. The Engineer 1926/01/22
  9. 1937 British Industries Fair Advert p587
  10. 1937 The Aeroplane Directory of the Aviation and Allied Industries
  11. 1947 British Industries Fair p273
  12. The Times, Mar 05, 1951
  13. 1961 Dun and Bradstreet KBE