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 133,380 pages of information and 211,458 images on early companies, their products and the people who designed and built them.

1851 Great Exhibition: Official Catalogue: Class V.: Edward Alfred Cowper

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699. COWPER, EDWARD ALFRED, 9 Kensington Park Road, Notting Hill — Inventor.

Detonating fog and accident signal for railways. It consists of a small flat tin box about two inches in diameter, with a slip of lead soldered to it to fasten it to the rail. It is filled with gunpowder, and contains a match which takes fire when crushed.

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