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 148,470 pages of information and 233,895 images on early companies, their products and the people who designed and built them.

Unipower Rzeppa

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of Shipley

Presumably making use of Alfred Hans Rzeppa's developments in relation to constant velocity joints

1955 William Cull gained a patent for torque transmitting universal joints and assigned it to the company.

By 1957 was part of Birfield Industries

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