Minimum gauge railways, their application, construction and working : being an account of the origin and evolution of the 15in. gauge line at Duffield Bank, near Derby, also of the installation of a similar line at Eaton Hall, Near Chester, together with various notes on the uses of such railways and on the results of some experimental investigations relating thereto /
Heywood, Arthur Percival,Sir.
Derby :  printed for private circulation, 
1898.
Railroads
Railroads
Railroads