Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 162,255 pages of information and 244,496 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.
87. ALLIS, J. H., Bristol. — Inventor and Manufacturer.
Bracket-regulator timepiece, with a new description of compound pendulum, which vibrates seconds, though less than half the length of a usual seconds' pendulum. Adapted for compensation against the effects of heat and cold.
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