The collection largely consists of diaries and correspondence relating to Dalton's career with the Tanganyika railways, the Kenya and Uganda Railways and Harbours Administration, and the East African Railways and Harbours Administration. There are also a small amount of papers relating to Dalton's Army service; reports and correspondence of the Maize and Produce Control Board; East African photographs and postcards (mainly of scenes/views, most of which belonged to Dalton's…