12cm x 18cm when closed shut.
British Rail in the 50's booklets and British Rail Rule Book 1950
British Rail In The Fifties, Locospotters Etc X6 Railway Books
British Rail in the fifties - 3 Southern Region, by IAN ALLAN undated
British Rail In The Fifties No 3 Southern Region Ian Allan
2 Books - Diesels Southern Line & British Rail In The North West
