Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 162,260 pages of information and 244,501 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.
Sir William Slingo (c1856-1935), Engineer-in-Chief of the Post Office
When only twenty-one years of age he founded the Telegraphic School of Science at the General Post Office, and later became its principal.
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