Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,100 pages of information and 233,633 images on early companies, their products and the people who designed and built them.
of 12 Wharf Road, City Road, London, N1. Electrical and General Engineers
1820 Company established
c.1829 William Reid went into business on his own account as an engraver.
William later brought his sons, first William junior, into the business
1850 Laid the first submarine cable across the Channel for Submarine Telegraph Co
1868 Death of William junior
1910 Company incorporated.
1914 Engineers and contractors. Specialities: electrical and other instruments of precision, pneumatic dispatch tubes, electric lighting, power and traction engineering. Employees 200 to 500. 
1922 Manufactured high-class electrical and scientific apparatus, including precision instruments
1922 Company in voluntary liquidation