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 148,101 pages of information and 233,633 images on early companies, their products and the people who designed and built them.

D. and J. Hill

From Graces Guide

Jump to: navigation, search
June 1922. Danjhill hearing aid.

The Danjhill hearing aid.

See Also


Sources of Information