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 143,372 pages of information and 230,037 images on early companies, their products and the people who designed and built them.


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Magnalite pistons pistons are manufactured from magnalium metal which is declared to be especially adapted for piston construction, as it has a tensile strength greater than that of ordinary cast iron; one-third lighter weight than the more commonly used metal, and a thermal conductivity of fourteen to one as compared with iron.

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