'DIESEL, ELECTRIC & STEAM LOCOMOTIVES ASSISTANCE (Double Heading) & ASSISTANCE IN REAR'. Charming and hugely informative little booklet with 14 pages of text dealing with double heading etc in various combinations of motive power types.
BTC Diesel Electric Steam Locomotives Assistance Manual BR 33062
BTC Diesel, Electric and Steam Locomotives Assistance of Double Heading
BTC/ BR Diesel Electric & Steam Locos Assistance Double Heading Rulebook c1950s
1950s. BTC Cut-Away of Class 31 'DIESEL ELECTRIC MAIN LINE LOCOMOTIVE. Excellent
1967 AEI English Electric Diesel Electric Loco Brochure Railway Publicity
