Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 167,710 pages of information and 247,104 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.
Lieut Colonel William Joseph Polyblank ( -1939) OBE
1921 Member of IEE; of London
1922 O.B.E M.I.E.E., Head of the Development Section of the Instrument Design Establishment, R.A.F., Biggin Hill.
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