Grace's Guide

British Industrial History

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,366 pages of information and 233,846 images on early companies, their products and the people who designed and built them.

Practical Engineer Patent Agency

From Graces Guide

Jump to: navigation, search

The "Practical Engineer", Patent Agency, of Manchester, Birmingham and London

One of the businesses of Dugald Clerk and G. Croydon Marks, consulting engineers

See Also


Sources of Information