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 143,355 pages of information and 230,031 images on early companies, their products and the people who designed and built them.

ASTA

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Certification mark.

ASTA (Association of Short-Circuit Testing Authorities), an electrical testing organisation founded in 1938.

See also ASTA Certification Services

See Also

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