The Cornish engine : a chapter in the history of steam power : descriptions of a series of films produced by the Shell Film Unit, London with the co-operation of the Cornish Engines Preservation Society /
Dickinson, H. W.(Henry Winram),1870-1952.
London : Art and Technics,
1951.
A reissue of London 1950 ed.
Includes bibliographical references and index.
Pumping machinery
Mine pumps