Gearbox, Self-Changing Gears Ltd, Coventry, Type RF 28, for the NRM 0-6-0 Diesel Mechanical 03 Shunter No. 03090 (1976-7005). Gearbox, Self-Changing Gears Ltd
Booklet - Role of the Railcar. Self-Changing gears Ltd. booklet describing railcars in use around the world including Britain, Ireland, Australia, Nyasaland, Peru etc. Produced 1955. 24pp. Role of the Railcar
Brochure, paper with card covers, aluminium spine holders, Handbook for Railcar & Locomotive Gearboxes Types CA5 and CA4, produced by Self-Changing Gears Ltd. of Coventry, 1956. With illustrations and diagrams. Handbook for Railcar & Locomotive Gearboxes Types CA5 and CA4