I have ordered this book British Rail Standard Locomotives to Scale [4mm] by Ian Beattie as it includes the 9F Crosti's. Locomotives Covered: 'Britannia' Class 4-6-2, 1951 'Clan' Class 4-6-2, 1951 Class 5 (4-6-0), 1951 Class 4 (4-6-0), 1951 Class 4 (2-6-0), 1952 Class 3 (2-6-2T) 1952 Class 2 (2-6-0), 1952 Class 2 (2-6-2T), 1953 Class 3 (2-6-0), 1954 Class 8 (4-6-2), 1954 Class 9 (2-10-0), 1954 Franco-Crosti Boilered Class 9 (2-10-0), 1955 so here's hoping some deflector drawings Peter