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 149,267 pages of information and 234,239 images on early companies, their products and the people who designed and built them.

Shorter Process Co

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Established by Albert Edward Shorter to exploit his surface hardening process

formerly known as the Patent Gear and Metal Hardening Co

1935 Business moved to Sheffield

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