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 149,257 pages of information and 234,233 images on early companies, their products and the people who designed and built them.

Peter Onions

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Peter Onions (1724–1798) was an English ironmaster and the inventor of an early puddling process used for the refining of pig iron into wrought iron.

1724 Onions was born in Broseley, Shropshire, later moving to Merthyr Tydfil in Wales.

He married Elizabeth Guest, sister of John Guest

In 1783, Onions received patent number 1370 for his invention.

Henry Cort later improved on Onion's process during the development of his puddling furnace.

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