Grace's Guide To British Industrial History

Registered UK Charity (No. 115342)

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 162,254 pages of information and 244,496 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 Martin (1878-1922)

From Graces Guide

John Martin (1878-1922), head of the alternating-current design department of BTH

son of James Martin

See Also

Loading...

Sources of Information