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 167,649 pages of information and 247,065 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.

Duplex Motor Engine Co

From Graces Guide

of London

1906-1909 Produced a 30hp car


Did the company also make a motor in 1897-8?

See Also

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Sources of Information

  • Beaulieu Encyclopedia of the Automobile