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 167,702 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.

Pierre Alexandre Francis Lefort

From Graces Guide
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See here and here, and here for 1839 and 1854 French Papers on the design of Skew arch bridges (ponts biais).

See Also

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Sources of Information