Rolt, L.T. C. James Watt. - 1st - London Batsford, B.T. 1962 - 144p, 22 cm. Front,Bibli., illus, Plates, Index ISBN: Subjects--Topical Terms: Biography--James Watt.., ii)Persons in Technology Dewey Class. No.: 926.08 Wat/Rol/Jam