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 136,378 pages of information and 219,137 images on early companies, their products and the people who designed and built them.

Ajax Metal Co

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of Philadelphia

Maker of the Ajax-Wyatt induction furnace for melting non-ferrous metals, e.g. brass[1]. Note: Ajax-Wyatt-type induction furnaces were also made by Otto Junker.

c.1914 Dr. E. F. Northrup, of Trenton, USA, developed a high frequency induction furnace for the Ajax Metal Company, of Philadelphia, Pa.

The work was suspended in 1915, to give priority to war work

Possibly precursor of Ajax Engineering Corporation


See Also

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Sources of Information

  1. The Engineer 1921