Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 167,711 pages of information and 247,105 images on early companies, their products and the people who designed and built them.
Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 147,919 pages of information and 233,587 images on early companies, their products and the people who designed and built them.
of Donnington House, Norfolk St, Strand, London WC2
1886 The London Company had a virtual monopoly of telegraphy in London but faced substantial criticism - it was suggested the National Company used a different approach which gave many large towns better telephonic systems that that in the capital.[1]
1922 Charles Henry Prichard of Battersea and Joseph Mangles of the company patented a telephone transmitter[2]
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MW1.43