Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 167,669 pages of information and 247,074 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.
Henry Davidson
1939 M.Inst.F., M.J.I.E., M.I.E.V.E., Supervising Engr., J. Roger Preston and Partners, Consulting Engrs. (Heating and Ventilating), Dilke House, Malet Street, W.0.1. Private Address: Ilkley Villa, 2 Midhurst Road, Clapton, E.5. Certificated City and Guilds of London Inst. in Heating and Ventilating. Formerly Heating Engr., London County Council, Chief Engr.'s Dept., Public Institutions Division.
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