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 146,027 pages of information and 231,556 images on early companies, their products and the people who designed and built them.


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Tracked Tractor.
  • The Drott Manufacturing Company of Wausau, Wisconsin, USA, developed the '4in1' bucket, adopted by a number of makers of earthmoving equipment.

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Sources of Information