280 Draft PhD thesis entitled "The development of the diving helmet & dress in the UK during the 19th century"
160 Set of photographic prints taken from 51 glass plate negatives illustrating the work of J. A. Brashear Co. and J. W. Fecker Co.
240 Report for Littlewoods Home Shopping Group Limited re application to English Heritage to demolish Dee Mill engine house and engine at Shaw, Oldham
220 Thesis entitled 'William Thomson's Inventions for the Submarine Telegraph Industry: A Nineteenth-Century Technology Program'