210 "Early history of ship surveying in Singapore from 1866 onwards and indicating the progress of Ritchie & Bisset over the years 1914-1950"
200 Draft publication entitled: '1847-1947. A brief account of Tottenham & District Gas Company's first hundred years' by H. W. Merrison
6 folders Papers relating to set-up and organisation of the LEO II computer and operators' training course
1 item Issue of Daily Herald newspaper containing article entitled 'They carry the Killer' regarding the death causing Staphyloccus infections in hospitals
210 Aircraft servicing manual entitled: "Air publication 101B-1801-1A for aircraft: Folland Gnat T.MK.1, serial number XP505"
240 Dial: "Daily Mail Radio At-a-Glance: nine important facts given in relation to each of 76 British and continental stations with openings for own dial readings"
205 The History of Commer, subtitled 'One of the oldest established Commercial Vehicle Manufacturers in Great Britain'.
185 Photograph album entitled 'Dictograph Telephones Ltd.: The Dictograph Telephone. Touch a key - and Speak!'
60 items Collection of photographs of Atomic Energy Research Establishment, Harwell / Ministry of Works
9 letters Copy correspondence of Derek John de Solla Price, Curator of the Whipple Museum of the History of Science, Cambridge relating to the faking of scientific instruments
180 Volume relating to working practices and equipment at Port of London Authority and Merseyside Docks and Harbour Board
1 folder Papers of Ernest Matthias Feuerheerd, mainly relating to his work on mechanical hammers and a needle-threading device
230 Long-service certificate presented to W. A. Gilbert for 50 years' service with the company, 1908-58 by Ruston and Hornsby Limited