The famous 'Schools' class were the heaviest 4-4-0 type locomotives in Britain. They were introduced in 1930 and operated by the Southern Railway. - Taken from the 6th edition catalogue (1968)
9th edition catalogue (1971), listed as Schools Class 'Harrow' from Schools Class "Harrow".
17th edition catalogue (1980), listed as Schools Harrow from Schools Class 'Harrow'.