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 148,415 pages of information and 233,868 images on early companies, their products and the people who designed and built them.


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August 1923

A product from J. A. Prestwich Industries

1924-27 147cc Aza two-stoke engine used by several motorcycle builders.

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