Grace's Guide To British Industrial History

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Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 167,710 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.

Conrad Knap and Co

From Graces Guide
Revision as of 07:23, 21 May 2017 by Ait (talk | contribs)
June 1888. Root Steam Boiler.
December 1889.
1889. Root steam boilers.

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

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


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