Grace's Guide To British Industrial History

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Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 167,689 pages of information and 247,075 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.

1851 Great Exhibition: Official Catalogue: Class X.: E. J. MacDoual

From Graces Guide

67. MACDOUAL, E. J., 12 Dorset Place, Pall Mall East — Inventor and Manufacturer.

Patent escapement for chronometers, watches, and clocks, without escape wheel. The same spring by India-rubber.

Drill-stocks: Archimedean; centrifugal Archimedean; vibrating; and duplex, simple, and centrifugal.

A new method of converting rectilinear into rotary motion.

A new decomposition cell. Medals made by the process.


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