Grace's Guide To British Industrial History

Registered UK Charity (No. 115342)

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.

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.

Alvan Clark

From Graces Guide

Inventor of telescope, such as the 26 in equatorial at the Naval Observatory, Washington, DC, used to observe Encke's Comet in 1875. [1]


See Also

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Sources of Information

  1. The Engineer 1875/03/12