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 148,109 pages of information and 233,634 images on early companies, their products and the people who designed and built them.

Amalgamated Dental Co

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Manufacturers of dental appliances and equipment

1924 Company formed from the merger of De Trey and Co and Claudius Ash, Sons and Co, the leading British firms making dental appliances.

1939 The factory at Walton on Thames had been modernized[1]

1967 Reconstruction of the group with a new holding company A. D. International[2]

See Also


Sources of Information

  1. The Times, Jul 18, 1939
  2. The Times, Feb 28, 1967