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.
16. PRATT, Major, 7 Upper Area, Hungerford Market — Inventor.
Moveable flight of steps, for tidal rivers. The steps are entirely independent of each other.
New self-acting trap for street drains; it can be easily fixed or moved, without displacing the brick-work on which the grating rests.
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