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 137,248 pages of information and 220,095 images on early companies, their products and the people who designed and built them.

Conrad Knap and Co

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June 1888. Root Steam Boiler.
December 1889.
1889. Root steam boilers.

of 11 Queen Victoria Street, London, EC. Works: Lincoln.

See Conrad Knap

Licensee of the Knap's improvements with respect to Root's Patent Steam Boiler.


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