Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 167,859 pages of information and 247,161 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.
84 LAVANCHY, JEAN BAPTISTE, 9 Richmond Buildings, Dean Street, Soho — Inventor.
Model of a portable bridge (known in France under the denomination of Pont portaline), extending or retracting on grooves.
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