Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 146,106 pages of information and 231,598 images on early companies, their products and the people who designed and built them.
Formerly known as the Wheal Martyn China Clay Museum, at Carthew, near St Austell, Cornwall, PL26 8XG.
Indoor and open air exhibits showing the uses of china clay and the stages in its processing, with examples of the type of machinery used, including working water wheels. Other exhibits include a locomotive, vehicles, stationary engines, machine tools, etc.