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 143,439 pages of information and 230,054 images on early companies, their products and the people who designed and built them.

A. J. Ashdown

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1925. Mechanism of the Ashdown Rotoscope.

Albert J. Ashdown (c1888- )

Managing Director, A.J. Ashdown Ltd., 25 Victoria Street, London, S.W.1.


Inventor of The Ashdown Rotoscope Scientific Apparatus in connection with Psychology.

See Also


Sources of Information

  1. 1939 Who's Who In Engineering: Name A