Grace's Guide To British Industrial History

Registered UK Charity (No. 1154342)

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 167,717 pages of information and 247,131 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.

John Gray (d.1935)

From Graces Guide
Revision as of 09:40, 24 February 2017 by PaulF (talk | contribs)

Electrical engineer

1917 Patent department of BTH[1]


See Also

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Sources of Information

  1. The Engineer 1917