John Hunter, Belper Summary of Observations of Rainfall and Temperature 1877 - 1926, and report on gaugings at summit of Elliott Hill 1906. Act for supplying Belper with water, 1860; copy correspondence re contracts 1895; photograph of George Herbert Strutt, donor of new Belper waterworks in 1901; 2 histories of Belper water supply; reservoir flow sheets 1919 - 1925; reports on pumping plant 1925 and 1937; 2 photographs of well sinking, 1895. 2 sheets of plan of Derwent valley from Belper to Allestree and coloured areas ? water distribution?, 20th cent 1906-1937