235 Certificate of Merit from the Alford Agricultural Labourers' Society ... for the encouragement of deserving labourers and servants.
105 Portrait photograph of Professor John Hopkinson, Professor Wilson and senior students at King's College, London
A collection of glass lantern slides capturing the development of flight from an early set of images from the 1909 aviation meeting held at Reims, France through to images of aircraft from Imperial Airways and flying boats in the late Thirties. The History of Aircraft and Flying
2 sheets Liverpool Corporation Waterworks drawings of Vyrnwy Supply - Elevation of Masonry Embankment
120 Paper entitled: "Negretti & Zambra's Pocket Spectroscope for observing the Rain-Band: Prof. Piazzi Smyth's illustrated paper describing the instrument & its use for forecasting the approach of rain"
35 pages and 6 drawings Description of Pumping, Flooding, and Drainage Arrangement of cruiser 'Mildura', and associated drawings
3 items Agreements and Contract between Messrs. Siemens Bros. & Co. Limited and The London and Saint Katharine Docks Coy
Relates to Sayers's patent no. 111 of 1881 'Improved apparatus to be attached to ships to prevent them sinking'. Drawing of 'air log' device for preventing ships from sinking